1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/adler32.c b/libavutil/adler32.c
index 369cdaf6d4..76df12054d 100644
--- a/libavutil/adler32.c
+++ b/libavutil/adler32.c
@@ -54,7 +54,7 @@ unsigned long av_adler32_update(unsigned long adler, const uint8_t *buf, unsigne
 #include "log.h"
 #define LEN 7001
 volatile int checksum;
-int main(){
+int main(void){
     int i;
     char data[LEN];
     av_log_level = AV_LOG_DEBUG;