diff --git a/src/Controls/src/SourceGen/NodeSGExtensions.cs b/src/Controls/src/SourceGen/NodeSGExtensions.cs
index 82efa0b38a63..b907602b7527 100644
--- a/src/Controls/src/SourceGen/NodeSGExtensions.cs
+++ b/src/Controls/src/SourceGen/NodeSGExtensions.cs
@@ -546,8 +546,9 @@ public static void RegisterSourceInfo(this INode node, SourceGenContext context,
 				writer.WriteLine($"if (global::Microsoft.Maui.VisualDiagnostics.GetSourceInfo({variable.Name}!) == null)");
 				writer.Indent++;
 			}
-			filePath = new UriBuilder() { Path = filePath }.Path; // ensure the file use the right separator
-			writer.WriteLine($"global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo({variable.Name}!, new global::System.Uri(\"{filePath};assembly={assembly}\", global::System.UriKind.Relative), {lineInfo?.LineNumber ?? -1}, {lineInfo?.LinePosition ?? -1});");
+			// on other inflators, we do not replace path separator, so keep the bug for compat
+			// filePath = new UriBuilder() { Path = filePath }.Path; // ensure the file use the right separator
+			writer.WriteLine($"global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo({variable.Name}!, new global::System.Uri(@\"{filePath};assembly={assembly}\", global::System.UriKind.Relative), {lineInfo?.LineNumber ?? -1}, {lineInfo?.LinePosition ?? -1});");
 			if (!update)
 				writer.Indent--;
 		}
diff --git a/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/BasicCase.cs b/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/BasicCase.cs
index 792fcb456da4..9e8bdc512cb0 100644
--- a/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/BasicCase.cs
+++ b/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/BasicCase.cs
@@ -60,11 +60,11 @@ private partial void InitializeComponent()
 	{
 		var button = new global::Microsoft.Maui.Controls.Button();
 #if _MAUIXAML_SG_SOURCEINFO
-		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(button!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 6, 4);
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(button!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 6, 4);
 #endif
 		var __root = this;
 #if _MAUIXAML_SG_SOURCEINFO
-		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(__root!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 2, 2);
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(__root!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 2, 2);
 #endif
 #if !_MAUIXAML_SG_NAMESCOPE_DISABLE
 		global::Microsoft.Maui.Controls.Internals.INameScope iNameScope = global::Microsoft.Maui.Controls.Internals.NameScope.GetNameScope(__root) ?? new global::Microsoft.Maui.Controls.Internals.NameScope();
diff --git a/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/CompiledBindings.cs b/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/CompiledBindings.cs
index 65e07ff10367..f3150fe00df4 100644
--- a/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/CompiledBindings.cs
+++ b/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/CompiledBindings.cs
@@ -75,11 +75,11 @@ private partial void InitializeComponent()
 	{
 		var bindingExtension = new global::Microsoft.Maui.Controls.Xaml.BindingExtension();
 #if _MAUIXAML_SG_SOURCEINFO
-		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(bindingExtension!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), -1, -1);
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(bindingExtension!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), -1, -1);
 #endif
 		var __root = this;
 #if _MAUIXAML_SG_SOURCEINFO
-		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(__root!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 2, 2);
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(__root!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 2, 2);
 #endif
 #if !_MAUIXAML_SG_NAMESCOPE_DISABLE
 		global::Microsoft.Maui.Controls.Internals.INameScope iNameScope = global::Microsoft.Maui.Controls.Internals.NameScope.GetNameScope(__root) ?? new global::Microsoft.Maui.Controls.Internals.NameScope();
@@ -93,7 +93,7 @@ private partial void InitializeComponent()
 		var bindingBase = CreateTypedBindingFrom_bindingExtension(bindingExtension);
 #if _MAUIXAML_SG_SOURCEINFO
 		if (global::Microsoft.Maui.VisualDiagnostics.GetSourceInfo(bindingBase!) == null)
-			global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(bindingBase!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), -1, -1);
+			global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(bindingBase!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), -1, -1);
 #endif
 		__root.SetBinding(global::Microsoft.Maui.Controls.Page.TitleProperty, bindingBase);
 		static global::Microsoft.Maui.Controls.BindingBase CreateTypedBindingFrom_bindingExtension(global::Microsoft.Maui.Controls.Xaml.BindingExtension extension)
diff --git a/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/SetBinding.cs b/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/SetBinding.cs
index f3d6b9111bcd..0d511223f375 100644
--- a/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/SetBinding.cs
+++ b/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/SetBinding.cs
@@ -59,11 +59,11 @@ private partial void InitializeComponent()
 	{
 		var bindingExtension = new global::Microsoft.Maui.Controls.Xaml.BindingExtension();
 #if _MAUIXAML_SG_SOURCEINFO
-		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(bindingExtension!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), -1, -1);
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(bindingExtension!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), -1, -1);
 #endif
 		var __root = this;
 #if _MAUIXAML_SG_SOURCEINFO
-		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(__root!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 2, 2);
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(__root!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 2, 2);
 #endif
 #if !_MAUIXAML_SG_NAMESCOPE_DISABLE
 		global::Microsoft.Maui.Controls.Internals.INameScope iNameScope = global::Microsoft.Maui.Controls.Internals.NameScope.GetNameScope(__root) ?? new global::Microsoft.Maui.Controls.Internals.NameScope();
@@ -77,7 +77,7 @@ private partial void InitializeComponent()
 		var bindingBase = new global::Microsoft.Maui.Controls.Binding(bindingExtension.Path, bindingExtension.Mode, bindingExtension.Converter, bindingExtension.ConverterParameter, bindingExtension.StringFormat, bindingExtension.Source) { UpdateSourceEventName = bindingExtension.UpdateSourceEventName, FallbackValue = bindingExtension.FallbackValue, TargetNullValue = bindingExtension.TargetNullValue };
 #if _MAUIXAML_SG_SOURCEINFO
 		if (global::Microsoft.Maui.VisualDiagnostics.GetSourceInfo(bindingBase!) == null)
-			global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(bindingBase!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), -1, -1);
+			global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(bindingBase!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), -1, -1);
 #endif
 		__root.SetBinding(global::Microsoft.Maui.Controls.Page.TitleProperty, bindingBase);
 	}
diff --git a/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/WarningIgnore.cs b/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/WarningIgnore.cs
index ebba61061ded..e3ab4f292fc1 100644
--- a/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/WarningIgnore.cs
+++ b/src/Controls/tests/SourceGen.UnitTests/InitializeComponent/WarningIgnore.cs
@@ -64,11 +64,11 @@ private partial void InitializeComponent()
 	{
 		var button = new global::Microsoft.Maui.Controls.Button();
 #if _MAUIXAML_SG_SOURCEINFO
-		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(button!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 8, 4);
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(button!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 8, 4);
 #endif
 		var __root = this;
 #if _MAUIXAML_SG_SOURCEINFO
-		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(__root!, new global::System.Uri("Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 4, 2);
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(__root!, new global::System.Uri(@"Test.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 4, 2);
 #endif
 #if !_MAUIXAML_SG_NAMESCOPE_DISABLE
 		global::Microsoft.Maui.Controls.Internals.INameScope iNameScope = global::Microsoft.Maui.Controls.Internals.NameScope.GetNameScope(__root) ?? new global::Microsoft.Maui.Controls.Internals.NameScope();