diff --git a/BeefLibs/corlib/src/GC.bf b/BeefLibs/corlib/src/GC.bf
index d3f67ad8..8f97f4aa 100644
--- a/BeefLibs/corlib/src/GC.bf
+++ b/BeefLibs/corlib/src/GC.bf
@@ -156,7 +156,7 @@ namespace System
 			if (maskedVData == null)
 				return;
 #else
-			if (obj.mClassVData == null)
+			if (obj.[Friend]mClassVData == null)
 				return;
 #endif
 			obj.[Friend]GCMarkMembers();