diff --git a/src/bin/e_gadcon.c b/src/bin/e_gadcon.c
index 2e02f46b7..df147cf8f 100644
--- a/src/bin/e_gadcon.c
+++ b/src/bin/e_gadcon.c
@@ -276,7 +276,7 @@ e_gadcon_custom_del(E_Gadcon *gc)
 }
 
 EAPI E_Gadcon *
-e_gadcon_swallowed_new(const char *name, int id, Evas_Object *obj, char *swallow_name)
+e_gadcon_swallowed_new(const char *name, int id, Evas_Object *obj, const char *swallow_name)
 {
    E_Gadcon *gc;
    E_Config_Gadcon *cf_gc;
diff --git a/src/bin/e_gadcon.h b/src/bin/e_gadcon.h
index 4f174e3f9..cb50116b8 100644
--- a/src/bin/e_gadcon.h
+++ b/src/bin/e_gadcon.h
@@ -238,7 +238,7 @@ EAPI int              e_gadcon_shutdown(void);
 EAPI void             e_gadcon_provider_register(const E_Gadcon_Client_Class *cc);
 EAPI void             e_gadcon_provider_unregister(const E_Gadcon_Client_Class *cc);
 EAPI Eina_List       *e_gadcon_provider_list(void);
-EAPI E_Gadcon        *e_gadcon_swallowed_new(const char *name, int id, Evas_Object *obj, char *swallow_name);
+EAPI E_Gadcon        *e_gadcon_swallowed_new(const char *name, int id, Evas_Object *obj, const char *swallow_name);
 EAPI void             e_gadcon_custom_new(E_Gadcon *gc);
 EAPI void             e_gadcon_custom_del(E_Gadcon *gc);
 EAPI void             e_gadcon_swallowed_min_size_set(E_Gadcon *gc, Evas_Coord w, Evas_Coord h);