diff --git a/tests/tcctest.c b/tests/tcctest.c
index 1f0fc29..4c72047 100644
--- a/tests/tcctest.c
+++ b/tests/tcctest.c
@@ -1269,7 +1269,7 @@ struct complexinit0 {
 
 struct complexinit {
     int a;
-    struct complexinit0 *b;
+    const struct complexinit0 *b;
 };
 
 const static struct complexinit cix[] = {