diff --git a/src/modules/ims_auth/ims_auth_mod.c b/src/modules/ims_auth/ims_auth_mod.c
index 20e148b0895..3fd7ca923f6 100644
--- a/src/modules/ims_auth/ims_auth_mod.c
+++ b/src/modules/ims_auth/ims_auth_mod.c
@@ -62,6 +62,10 @@
 
 MODULE_VERSION
 
+stat_var* stat_mar_timeouts = NULL;
+stat_var* mar_replies_received = NULL;
+stat_var* mar_replies_response_time = NULL;
+
 static void destroy(void);
 static int mod_init(void);
 
diff --git a/src/modules/ims_auth/stats.h b/src/modules/ims_auth/stats.h
index 321feed2792..98499c1b56c 100644
--- a/src/modules/ims_auth/stats.h
+++ b/src/modules/ims_auth/stats.h
@@ -47,9 +47,9 @@
 #include "../../core/counters.h"
 #include "ims_auth_mod.h"
 
-stat_var* stat_mar_timeouts;
-stat_var* mar_replies_received;
-stat_var* mar_replies_response_time;
+extern stat_var* stat_mar_timeouts;
+extern stat_var* mar_replies_received;
+extern stat_var* mar_replies_response_time;
 
 int register_stats();
 unsigned long get_avg_mar_response_time();