diff --git a/sysmocom/suites/4g/rrc_idle_mo_ping.py b/sysmocom/suites/4g/rrc_idle_mo_ping.py
index de643df..ced798d 100755
--- a/sysmocom/suites/4g/rrc_idle_mo_ping.py
+++ b/sysmocom/suites/4g/rrc_idle_mo_ping.py
@@ -16,7 +16,7 @@
 
 ue.connect(enb)
 print('waiting for UE to attach...')
-wait(ue.is_rrc_connected)
+wait(ue.is_registered)
 print('UE is RRC connected')
 
 print('waiting until RRC connection gets released...')