diff --git a/src/Riok.Mapperly/Symbols/SetterMemberPath.cs b/src/Riok.Mapperly/Symbols/SetterMemberPath.cs
index 77e8d06af3..aed864cb9f 100644
--- a/src/Riok.Mapperly/Symbols/SetterMemberPath.cs
+++ b/src/Riok.Mapperly/Symbols/SetterMemberPath.cs
@@ -34,10 +34,8 @@ public static SetterMemberPath Build(MappingBuilderContext ctx, MemberPath membe
 
     private static (IMappableMember, bool) BuildMemberSetter(MappingBuilderContext ctx, IMappableMember member)
     {
-        if (ctx.SymbolAccessor.IsDirectlyAccessible(member.MemberSymbol))
-        {
+        if (ctx.SymbolAccessor.IsDirectlyAccessible(member.MemberSymbol) && member.CanSetDirectly)
             return (member, false);
-        }
 
         if (member.MemberSymbol.Kind == SymbolKind.Field)
         {
diff --git a/test/Riok.Mapperly.Tests/Mapping/UnsafeAccessorTest.cs b/test/Riok.Mapperly.Tests/Mapping/UnsafeAccessorTest.cs
index 5a8880b5f0..8685d27117 100644
--- a/test/Riok.Mapperly.Tests/Mapping/UnsafeAccessorTest.cs
+++ b/test/Riok.Mapperly.Tests/Mapping/UnsafeAccessorTest.cs
@@ -143,6 +143,44 @@ public void ManualUnflattenedPropertyNullablePath()
             );
     }
 
+    [Fact]
+    public void PropertyWithPrivateSetter()
+    {
+        var source = TestSourceBuilder.MapperWithBodyAndTypes(
+            "partial B Map(A source); ",
+            TestSourceBuilderOptions.WithMemberVisibility(MemberVisibility.All),
+            "class A { public int Value { get; set; } }",
+            "class B { public int Value { get; private set; } }"
+        );
+
+        TestHelper
+            .GenerateMapper(source)
+            .Should()
+            .HaveMapMethodBody(
+                """
+                var target = new global::B();
+                target.SetValue(source.Value);
+                return target;
+                """
+            );
+    }
+
+    [Fact]
+    public void PropertyWithProtectedSetterWhenDisabledShouldDiagnostic()
+    {
+        var source = TestSourceBuilder.MapperWithBodyAndTypes(
+            "partial B Map(A source);",
+            TestSourceBuilderOptions.WithMemberVisibility(MemberVisibility.All & ~MemberVisibility.Protected),
+            "class A { public int Value { get; set; } }",
+            "class B { public int Value { get; protected set; } }"
+        );
+
+        TestHelper
+            .GenerateMapper(source, TestHelperOptions.AllowDiagnostics)
+            .Should()
+            .HaveDiagnostic(DiagnosticDescriptors.CannotMapToReadOnlyMember);
+    }
+
     [Fact]
     public Task PrivateField()
     {