diff --git a/src/tests/Regressions/coreclr/GitHub_111242/Test111242.csproj b/src/tests/Regressions/coreclr/GitHub_111242/Test111242.csproj
index 55288c6fe94ff0..299b0de5e14c89 100644
--- a/src/tests/Regressions/coreclr/GitHub_111242/Test111242.csproj
+++ b/src/tests/Regressions/coreclr/GitHub_111242/Test111242.csproj
@@ -1,10 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <!-- Needed for CMakeProjectReference -->
+    <!-- Needed for CLRTestTargetUnsupported -->
     <RequiresProcessIsolation>true</RequiresProcessIsolation>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <CLRTestPriority>1</CLRTestPriority>
     <CLRTestTargetUnsupported Condition="'$(TargetOS)' != 'windows'">true</CLRTestTargetUnsupported>
+    <!-- Testing a backwards compatibility quirk we don't officially support -->
+    <NativeAotIncompatible>true</NativeAotIncompatible>
   </PropertyGroup>
   <PropertyGroup>
     <DebugType>PdbOnly</DebugType>