diff --git a/src/libraries/System.Runtime.InteropServices/tests/DllImportGenerator.UnitTests/IncrementalGenerationTests.cs b/src/libraries/System.Runtime.InteropServices/tests/DllImportGenerator.UnitTests/IncrementalGenerationTests.cs
index c3125b0544f6f4..aa2fbc252a0a81 100644
--- a/src/libraries/System.Runtime.InteropServices/tests/DllImportGenerator.UnitTests/IncrementalGenerationTests.cs
+++ b/src/libraries/System.Runtime.InteropServices/tests/DllImportGenerator.UnitTests/IncrementalGenerationTests.cs
@@ -174,7 +174,7 @@ public async Task ChangingMarshallingStrategy_RegeneratesStub()
         [ConditionalFact]
         public async Task ChangingMarshallingAttributes_SameStrategy_DoesNotRegenerate()
         {
-            string source = CodeSnippets.BasicParametersAndModifiers<bool>();
+            string source = CodeSnippets.BasicParametersAndModifiers<int>();
 
             SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText(source, new CSharpParseOptions(LanguageVersion.Preview));
 
@@ -187,7 +187,7 @@ public async Task ChangingMarshallingAttributes_SameStrategy_DoesNotRegenerate()
 
             SyntaxTree newTree = syntaxTree.WithRootAndOptions(
                 SyntaxFactory.ParseCompilationUnit(
-                    CodeSnippets.MarshalAsParametersAndModifiers<bool>(System.Runtime.InteropServices.UnmanagedType.Bool)),
+                    CodeSnippets.MarshalAsParametersAndModifiers<int>(System.Runtime.InteropServices.UnmanagedType.I4)),
                 syntaxTree.Options);
 
             Compilation comp2 = comp1.ReplaceSyntaxTree(comp1.SyntaxTrees.First(), newTree);