diff --git a/gecko_fingerprint.sh b/gecko_fingerprint.sh
index f3993c0b7dd0e291e13f737b0e6593181808dc57..fd61d5d53788532664ac257d821b551ac26c1e47 100755
--- a/gecko_fingerprint.sh
+++ b/gecko_fingerprint.sh
@@ -36,6 +36,8 @@ IMPORTANT_IDLS=$(cat <<EOF
   dom/sms/interfaces/nsISmsRequest.idl
   dom/sms/interfaces/nsIRilSmsDatabaseService.idl
   dom/sms/interfaces/nsISmsService.idl
+  dom/network/interfaces/nsIDOMMobileConnection.idl
+  dom/network/interfaces/nsIMobileConnectionProvider.idl
   dom/system/gonk/nsIAudioManager.idl
   dom/system/gonk/nsIRadioInterfaceLayer.idl
   dom/time/nsITimeService.idl