diff --git a/include/osmocom/msc/vlr_sgs.h b/include/osmocom/msc/vlr_sgs.h
index 05e062be9..723144932 100644
--- a/include/osmocom/msc/vlr_sgs.h
+++ b/include/osmocom/msc/vlr_sgs.h
@@ -26,7 +26,7 @@ enum vlr_lu_type;
 struct vlr_subscr;
 struct vlr_instance;
 
-#define VSUB_USE_SGS "SGs"
+#define VSUB_USE_SGS_LU "SGs-lu"
 #define VSUB_USE_SGS_PAGING_REQ "SGs-paging-req"
 
 /* See also 3GPP TS 29.118, chapter 4.2.2 States at the VLR */
diff --git a/src/libvlr/vlr_sgs.c b/src/libvlr/vlr_sgs.c
index 64215816c..61db585b6 100644
--- a/src/libvlr/vlr_sgs.c
+++ b/src/libvlr/vlr_sgs.c
@@ -83,7 +83,7 @@ int vlr_sgs_loc_update(struct vlr_instance *vlr, struct vlr_sgs_cfg *cfg,
 	OSMO_ASSERT(cfg);
 	OSMO_ASSERT(imsi);
 
-	vsub = vlr_subscr_find_or_create_by_imsi(vlr, imsi, VSUB_USE_SGS, NULL);
+	vsub = vlr_subscr_find_or_create_by_imsi(vlr, imsi, VSUB_USE_SGS_LU, NULL);
 	if (!vsub) {
 		LOGP(DSGS, LOGL_ERROR, "VLR subscriber allocation failed\n");
 		return -EINVAL;
@@ -119,6 +119,9 @@ void vlr_sgs_loc_update_acc_sent(struct vlr_subscr *vsub)
 {
 	osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_TX_LU_ACCEPT, NULL);
 
+	/* Balance vlr_subscr_find_or_create_by_imsi() in vlr_sgs_loc_update() */
+	vlr_subscr_put(vsub, VSUB_USE_SGS_LU);
+
 	/* FIXME: At this point we need to check the status of Ts5 and if
 	 * it is still running this means the LU has interrupted the paging,
 	 * and we need to start paging again. 3GPP TS 29.118,
@@ -130,6 +133,8 @@ void vlr_sgs_loc_update_acc_sent(struct vlr_subscr *vsub)
 void vlr_sgs_loc_update_rej_sent(struct vlr_subscr *vsub)
 {
 	osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_TX_LU_REJECT, NULL);
+	/* Balance vlr_subscr_find_or_create_by_imsi() in vlr_sgs_loc_update() */
+	vlr_subscr_put(vsub, VSUB_USE_SGS_LU);
 }
 
 /*! Perform an SGs IMSI detach.