diff --git a/Terminal.Gui/Views/FileDialogs/FileDialog.cs b/Terminal.Gui/Views/FileDialogs/FileDialog.cs
index 21f82efdc5..4402d4955b 100644
--- a/Terminal.Gui/Views/FileDialogs/FileDialog.cs
+++ b/Terminal.Gui/Views/FileDialogs/FileDialog.cs
@@ -318,6 +318,11 @@ public override void EndInit ()
             _typeFilterDropDown?.Visible = true;
             _typeFilterDropDown?.Source = new ListWrapper<string> (new ObservableCollection<string> (AllowedTypes.Select (a => a.ToString ()!).ToList ()));
             _typeFilterDropDown?.Value = AllowedTypes [0].ToString () ?? string.Empty;
+
+            if (State is { })
+            {
+                RefreshState ();
+            }
         }
 
         // if no path has been provided
diff --git a/Tests/UnitTestsParallelizable/Views/FileDialogResultTests.cs b/Tests/UnitTestsParallelizable/Views/FileDialogResultTests.cs
index ffd72df94e..b9bc5a6e0e 100644
--- a/Tests/UnitTestsParallelizable/Views/FileDialogResultTests.cs
+++ b/Tests/UnitTestsParallelizable/Views/FileDialogResultTests.cs
@@ -221,6 +221,36 @@ public void FileDialog_PathField_BadChars_AreSuppressed (char badChar)
         Assert.Equal (insertionPointBefore, tbPath.InsertionPoint);
     }
 
+    [Fact]
+    public void FileDialog_MixedMode_PathSetBeforeEndInit_RespectsAllowedTypes ()
+    {
+        // Copilot
+        MockFileSystem fs = new ();
+        fs.AddDirectory ("/testdir");
+        fs.AddDirectory ("/testdir/subdir");
+        fs.AddFile ("/testdir/allowed.Designer.cs", new MockFileData ("allowed"));
+        fs.AddFile ("/testdir/blocked.txt", new MockFileData ("blocked"));
+        using FileDialog fd = new TestableFileDialog (fs)
+        {
+            OpenMode = OpenMode.Mixed,
+            AllowedTypes = [new AllowedType ("View", ".Designer.cs")]
+        };
+
+        fd.Path = "/testdir";
+        fd.EndInit ();
+
+        Assert.NotNull (fd.CurrentFilter);
+        Assert.NotNull (fd.State);
+
+        List<string> visibleEntries = fd.State!.Children
+                                       .Where (c => !c.IsParent)
+                                       .Select (c => c.Name)
+                                       .OrderBy (name => name)
+                                       .ToList ();
+
+        Assert.Equal (["allowed.Designer.cs", "subdir"], visibleEntries);
+    }
+
     [Fact]
     public void FileDialog_Accepting_Directory_From_Table_Keeps_Path_On_Opened_Directory ()
     {