1 files changed, 1 insertions, 1 deletions
diff --git a/lib/md5.c b/lib/md5.c
index 7e9c3e9eb..274ebe897 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -345,7 +345,7 @@ void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */
 {
   MD5_CTX ctx;
   MD5_Init(&ctx);
-  MD5_Update(&ctx, input, strlen((char *)input));
+  MD5_Update(&ctx, input, (unsigned int)strlen((char *)input));
   MD5_Final(outbuffer, &ctx);
 }