diff --git a/c_adlib/ad_gk/native/ad_gk.h b/c_adlib/ad_gk/native/ad_gk.h
index 9c3b5fe1..8ff28b7c 100644
--- a/c_adlib/ad_gk/native/ad_gk.h
+++ b/c_adlib/ad_gk/native/ad_gk.h
@@ -4,6 +4,9 @@
 #include <stdint.h>
 #include <glib.h>
 #include <gnome-keyring.h>
+#include <string.h>
+
+
 
 #define SUCCESS 0
 #define FAILURE -1