diff --git a/parse.y b/parse.y
index da2a093e99..c2594656a1 100644
--- a/parse.y
+++ b/parse.y
@@ -1800,7 +1800,7 @@ var_ref		: variable
 
 var_lhs		: variable
 		    {
-			$$ = assignable($1);
+			$$ = assignable($1, 0);
 		    }
 
 backref		: tNTH_REF