1 files changed, 4 insertions, 0 deletions
diff --git a/source/slang/slang-ast-decl-ref.cpp b/source/slang/slang-ast-decl-ref.cpp
index f3c237775..6087efb26 100644
--- a/source/slang/slang-ast-decl-ref.cpp
+++ b/source/slang/slang-ast-decl-ref.cpp
@@ -419,6 +419,10 @@ GenericAppDeclRef* SubstitutionSet::findGenericAppDeclRef() const
         {
             return genApp;
         }
+        else if (as<LookupDeclRef>(s))
+        {
+            return nullptr;
+        }
     }
     return nullptr;
 }