diff --git a/src/util-memcmp.h b/src/util-memcmp.h
index bb6df86496..47bfc98c9a 100644
--- a/src/util-memcmp.h
+++ b/src/util-memcmp.h
@@ -29,6 +29,7 @@
 #ifndef __UTIL_MEMCMP_H__
 #define __UTIL_MEMCMP_H__
 
+#include "suricata-common.h"
 #include "util-optimize.h"
 
 /** \brief compare two patterns, converting the 2nd to lowercase