--- a/src/mod/endpoints/mod_sofia/sofia_reg.c
+++ b/src/mod/endpoints/mod_sofia/sofia_reg.c
@@ -373,14 +373,10 @@ void sofia_reg_check_gateway(sofia_profile_t *profile, time_t now)
 
                        gateway_ptr->failures = 0;
 
-                       if (gateway_ptr->freq >= 60) {
+                       if (gateway_ptr->freq > 30) {
                                gateway_ptr->expires = now + (gateway_ptr->freq - 15);
                        } else {
-                               if (gateway_ptr->freq < 30 && gateway_ptr->freq >= 5) {
-                                       gateway_ptr->expires = now + (gateway_ptr->freq - 5);
-                               } else {
-                                       gateway_ptr->expires = now + (gateway_ptr->freq);
-                               }
+                               gateway_ptr->expires = now + (gateway_ptr->freq / 2);
                        }
 
                        gateway_ptr->state = REG_STATE_REGED;