diff --git a/recipes-connectivity/wwan-config/wwan-config/wwan-config@.service b/recipes-connectivity/wwan-config/wwan-config/wwan-config@.service
index 166b3f5..f0e5c49 100644
--- a/recipes-connectivity/wwan-config/wwan-config/wwan-config@.service
+++ b/recipes-connectivity/wwan-config/wwan-config/wwan-config@.service
@@ -7,6 +7,8 @@ ExecStart=/usr/bin/wwan-config %I
 PIDFile=/run/%I.pid
 Restart=on-failure
 Nice=-20
+# Start time may include power cycles and start of ModemManager
+TimeoutStartSec=180
 
 [Install]
 RequiredBy=multi-user.target