diff --git a/l2ork_addons/disis_munger/disis_munger.cpp b/l2ork_addons/disis_munger/disis_munger.cpp
index d61934cc9045ea6c520293f0a3937166673a3475..adbddf3a1ff61f4dfbe977ce61d66d524c540ac7 100644
--- a/l2ork_addons/disis_munger/disis_munger.cpp
+++ b/l2ork_addons/disis_munger/disis_munger.cpp
@@ -32,6 +32,7 @@ For latest changes please see changelog
 #include <math.h>
 #include <time.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 //Unnecessary to include these two header file for this version
 //#include <stdlib.h>