1 files changed, 1 insertions, 1 deletions
diff --git a/source/slang/syntax.cpp b/source/slang/syntax.cpp
index ca66e2110..ef5113f97 100644
--- a/source/slang/syntax.cpp
+++ b/source/slang/syntax.cpp
@@ -505,7 +505,7 @@ void Type::accept(IValVisitor* visitor, void* extra)
                         if (aggTypeDeclRef.getDecl()->memberDictionary.TryGetValue(assocTypeDecl->getName(), targetType))
                         {
                             if (auto typeDefDecl = dynamic_cast<TypeDefDecl*>(targetType))
-                                return typeDefDecl->type.type;
+                                return typeDefDecl->type.type->Substitute(aggTypeDeclRef.substitutions);
                             else
                                 return DeclRefType::Create(getSession(), DeclRef<Decl>(targetType, aggTypeDeclRef.substitutions));
                         }