diff --git a/suites/nitb_netreg_mass/suite.conf b/suites/nitb_netreg_mass/suite.conf
index 94ec603..05bc054 100644
--- a/suites/nitb_netreg_mass/suite.conf
+++ b/suites/nitb_netreg_mass/suite.conf
@@ -3,6 +3,9 @@
   - times: 1
   bts:
   - type: osmo-bts-virtual
+  modem:
+  - times: 10
+    type: osmo-mobile
 
 defaults:
   timeout: 40s