diff --git a/openbsc/include/openbsc/gprs_gmm.h b/openbsc/include/openbsc/gprs_gmm.h
index e13b9dc..0a7c5b3 100644
--- a/openbsc/include/openbsc/gprs_gmm.h
+++ b/openbsc/include/openbsc/gprs_gmm.h
@@ -11,7 +11,8 @@
 int gsm48_tx_gsm_deact_pdp_acc(struct sgsn_pdp_ctx *pdp);
 
 int gsm0408_gprs_rcvmsg(struct msgb *msg, struct gprs_llc_llme *llme);
-int gsm0408_gprs_force_reattach(struct msgb *msg, struct sgsn_mm_ctx *mmctx);
+int gsm0408_gprs_force_reattach(struct sgsn_mm_ctx *mmctx);
+int gsm0408_gprs_force_reattach_oldmsg(struct msgb *msg);
 
 int gprs_gmm_rx_suspend(struct gprs_ra_id *raid, uint32_t tlli);
 int gprs_gmm_rx_resume(struct gprs_ra_id *raid, uint32_t tlli,