1 files changed, 1 insertions, 1 deletions
diff --git a/src/htsmd5.c b/src/htsmd5.c
index 2843738..bb2d066 100644
--- a/src/htsmd5.c
+++ b/src/htsmd5.c
@@ -80,7 +80,7 @@ unsigned long int md5sum32(const char *buff) {
   return u.hash;
 }
 
-void md5selftest() {
+void md5selftest(void) {
   static const char str1[] = "The quick brown fox jumps over the lazy dog\n";
   static const char str1m[] = "37c4b87edffc5d198ff5a185cee7ee09";
   static const char str2[] = "Hello";