diff --git a/openbsc/src/chan_alloc.c b/openbsc/src/chan_alloc.c
index 541c6c3..7464aa9 100644
--- a/openbsc/src/chan_alloc.c
+++ b/openbsc/src/chan_alloc.c
@@ -212,6 +212,9 @@
 		lchan->type = type;
 		lchan->use_count = 0;
 
+		/* clear sapis */
+		memset(lchan->sapis, 0, sizeof(lchan->sapis));
+
 		/* Configure the time and start it so it will be closed */
 		lchan->release_timer.cb = auto_release_channel;
 		lchan->release_timer.data = lchan;