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-rw-r--r--tests/helpers/test_md5.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/helpers/test_md5.c b/tests/helpers/test_md5.c
index 0f37afdc0..44f6a933d 100644
--- a/tests/helpers/test_md5.c
+++ b/tests/helpers/test_md5.c
@@ -4,7 +4,7 @@
#include "md5.h"
-int main()
+int main(void)
{
int i, ret;
struct MD5Context ctx;