1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim
index a94579339..7f7572968 100644
--- a/compiler/sigmatch.nim
+++ b/compiler/sigmatch.nim
@@ -180,7 +180,7 @@ proc sumGeneric(t: PType): int =
     of tyAlias: t = t.lastSon
     of tyBool, tyChar, tyEnum, tyObject, tyPointer,
         tyString, tyCString, tyInt..tyInt64, tyFloat..tyFloat128,
-        tyUInt..tyUInt64:
+        tyUInt..tyUInt64, tyCompositeTypeClass:
       return isvar
     else:
       return 0