diff --git a/src/modules/ims_diameter_server/ims_diameter_server.c b/src/modules/ims_diameter_server/ims_diameter_server.c
index f3e6fe040e8..c7fe941b001 100644
--- a/src/modules/ims_diameter_server/ims_diameter_server.c
+++ b/src/modules/ims_diameter_server/ims_diameter_server.c
@@ -31,6 +31,13 @@ MODULE_VERSION
 
 extern gen_lock_t* process_lock; /* lock on the process table */
 
+struct cdp_binds cdpb;
+cdp_avp_bind_t *cdp_avp;
+
+AAAMessage *request;
+str responsejson;
+str requestjson;
+
 struct cdp_binds cdpb;
 
 cdp_avp_bind_t *cdp_avp;
diff --git a/src/modules/ims_diameter_server/ims_diameter_server.h b/src/modules/ims_diameter_server/ims_diameter_server.h
index 26848d5ebb7..76775bd00c5 100644
--- a/src/modules/ims_diameter_server/ims_diameter_server.h
+++ b/src/modules/ims_diameter_server/ims_diameter_server.h
@@ -26,14 +26,14 @@
 
 /** callback functions */
 
-struct cdp_binds cdpb;
-cdp_avp_bind_t *cdp_avp;
+extern struct cdp_binds cdpb;
+extern cdp_avp_bind_t *cdp_avp;
 
 struct AAAMessage;
 
-AAAMessage *request;
-str responsejson;
-str requestjson;
+extern AAAMessage *request;
+extern str responsejson;
+extern str requestjson;
 
 AAAMessage* callback_cdp_request(AAAMessage *request, void *param);