diff --git a/lib/test_hash.c b/lib/test_hash.c
index 66c5fc8..81702ee 100644
--- a/lib/test_hash.c
+++ b/lib/test_hash.c
@@ -143,7 +143,7 @@
 test_hash_init(void)
 {
 	char buf[SIZE+1];
-	u32 string_or = 0, hash_or[2][33] = { 0 };
+	u32 string_or = 0, hash_or[2][33] = { { 0, } };
 	unsigned tests = 0;
 	unsigned long long h64 = 0;
 	int i, j;