diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index 541933abd16f8..65b52b4bd6e13 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -324,7 +324,7 @@ struct prog_test_fail2 {
 struct prog_test_fail3 {
 	int len;
 	char arr1[2];
-	char arr2[0];
+	char arr2[];
 };
 
 noinline void bpf_kfunc_call_test_pass_ctx(struct __sk_buff *skb)