diff --git a/compiler/semtypes.nim b/compiler/semtypes.nim
index d88a956032..d70ed3465b 100644
--- a/compiler/semtypes.nim
+++ b/compiler/semtypes.nim
@@ -72,7 +72,7 @@ proc semEnum(c: PContext, n: PNode, prev: PType): PType =
       e = n.sons[i].sym
     of nkIdent: 
       e = newSymS(skEnumField, n.sons[i], c)
-    else: illFormedAst(n)
+    else: illFormedAst(n[i])
     e.typ = result
     e.position = int(counter)
     if e.position == 0: hasNull = true