diff --git a/libs/iax/src/md5.h b/libs/iax/src/md5.h
index e264f686db..02f98fbb1a 100644
--- a/libs/iax/src/md5.h
+++ b/libs/iax/src/md5.h
@@ -1,7 +1,7 @@
 #ifndef MD5_H
 #define MD5_H
 
-#ifdef __alpha
+#ifdef __alpha || defined(__x86_64)
 typedef unsigned int uint32;
 #else
 typedef unsigned long uint32;