diff --git a/amxmodx/md5.cpp b/amxmodx/md5.cpp
index 0eb37288..14f3b9f1 100755
--- a/amxmodx/md5.cpp
+++ b/amxmodx/md5.cpp
@@ -111,7 +111,7 @@ void MD5::update(FILE *file){
   unsigned char buffer[1024];
   int len;
 
-  while (len=fread(buffer, 1, 1024, file))
+  while ((len=fread(buffer, 1, 1024, file)))
     update(buffer, len);
 
   fclose (file);