diff --git a/openbsc/src/gprs/gprs_ns.c b/openbsc/src/gprs/gprs_ns.c
index 8cb26a6..3d672fb 100644
--- a/openbsc/src/gprs/gprs_ns.c
+++ b/openbsc/src/gprs/gprs_ns.c
@@ -678,6 +678,7 @@
 		/* mark NS-VC as unblocked + active */
 		nsvc->state = NSE_S_ALIVE;
 		nsvc->remote_state = NSE_S_ALIVE;
+		ns_dispatch_signal(nsvc, S_NS_UNBLOCK, 0);
 		break;
 	case NS_PDUT_BLOCK:
 		rc = gprs_ns_rx_block(nsvc, msg);