diff --git a/include/osmocom/gprs/gprs_ns.h b/include/osmocom/gprs/gprs_ns.h
index b4af61b..e77ca42 100644
--- a/include/osmocom/gprs/gprs_ns.h
+++ b/include/osmocom/gprs/gprs_ns.h
@@ -172,7 +172,7 @@
 struct gprs_nsvc *gprs_nsvc_by_nsvci(struct gprs_ns_inst *nsi, uint16_t nsvci);
 
 /* Initiate a RESET procedure (including timer start, ...)*/
-void gprs_nsvc_reset(struct gprs_nsvc *nsvc, uint8_t cause);
+int gprs_nsvc_reset(struct gprs_nsvc *nsvc, uint8_t cause);
 
 /* Add NS-specific VTY stuff */
 int gprs_ns_vty_init(struct gprs_ns_inst *nsi);