diff --git a/test/distrib/csharp/DistribTest/DistribTest.csproj b/test/distrib/csharp/DistribTest/DistribTest.csproj
index e083d6225e7..f11f5c1e163 100644
--- a/test/distrib/csharp/DistribTest/DistribTest.csproj
+++ b/test/distrib/csharp/DistribTest/DistribTest.csproj
@@ -61,6 +61,10 @@
Use GOOGLE_PROTOBUF_REFSTRUCT_COMPATIBILITY_MODE to still allow building the protobuf
generate code -->
$(DefineConstants);GOOGLE_PROTOBUF_REFSTRUCT_COMPATIBILITY_MODE
+
+ true