diff --git a/server/core/memlog.c b/server/core/memlog.c
index 43df8c5da..fc26fc7e7 100644
--- a/server/core/memlog.c
+++ b/server/core/memlog.c
@@ -28,6 +28,7 @@
  * @endverbatim
  */
 #include <memlog.h>
+#include <stdlib.h>
 #include <stdio.h>
 
 static	MEMLOG		*memlogs = NULL;