diff --git a/src/cc65/expr.c b/src/cc65/expr.c
index 6d4b04892..54984230c 100644
--- a/src/cc65/expr.c
+++ b/src/cc65/expr.c
@@ -1412,9 +1412,9 @@ static void Primary (ExprDesc* E)
             } else {
                 /* Let's see if this is a C99-style declaration */
                 DeclSpec Spec;
-                ParseDeclSpec (&Spec, TS_DEFAULT_TYPE_INT, SC_AUTO);
+                ParseDeclSpec (&Spec, TS_DEFAULT_TYPE_NONE, SC_AUTO);
 
-                if (Spec.Type->C != T_END) {
+                if ((Spec.Flags & DS_DEF_TYPE) == 0) {
                     /* Recognized but not supported */
                     Error ("Mixed declarations and code are not supported in cc65");