1 files changed, 1 insertions, 1 deletions
diff --git a/source/slang/decl-defs.h b/source/slang/decl-defs.h
index 76480e64b..2f4f5abd3 100644
--- a/source/slang/decl-defs.h
+++ b/source/slang/decl-defs.h
@@ -108,7 +108,7 @@ SYNTAX_CLASS(InheritanceDecl, TypeConstraintDecl)
     // required by the base type to their concrete
     // implementations in the type that contains
     // this inheritance declaration.
-    Dictionary<DeclRef<Decl>, DeclRef<Decl>> requirementWitnesses;
+    RefPtr<WitnessTable> witnessTable;
     virtual TypeExp& getSup() override
     {
         return base;