diff --git a/openbsc/src/silent_call.c b/openbsc/src/silent_call.c
index 59d4897..64ebdfd 100644
--- a/openbsc/src/silent_call.c
+++ b/openbsc/src/silent_call.c
@@ -60,6 +60,7 @@
 		break;
 	case GSM_PAGING_EXPIRED:
 	case GSM_PAGING_BUSY:
+	case GSM_PAGING_OOM:
 		DEBUGP(DSMS, "expired\n");
 		dispatch_signal(SS_SCALL, S_SCALL_EXPIRED, &sigdata);
 		break;