diff --git a/dom/system/gonk/tests/marionette/test_get_voicemailInfo.js b/dom/system/gonk/tests/marionette/test_get_voicemailInfo.js
index 2eda4214c59a..40af52e11d30 100644
--- a/dom/system/gonk/tests/marionette/test_get_voicemailInfo.js
+++ b/dom/system/gonk/tests/marionette/test_get_voicemailInfo.js
@@ -6,16 +6,21 @@ MARIONETTE_TIMEOUT = 10000;
 let Cc = SpecialPowers.Cc;
 let Ci = SpecialPowers.Ci;
 
-// Get RadioIntefaceLayer interface.
-let RIL = Cc["@mozilla.org/ril;1"].getService(Ci.nsIRadioInterfaceLayer);
-ok(RIL);
+// Get RadioInterfaceLayer interface.
+let radioInterfaceLayer =
+  Cc["@mozilla.org/ril;1"].getService(Ci.nsIRadioInterfaceLayer);
+ok(radioInterfaceLayer);
+
+// Get RadioInterface.
+let radioInterface = radioInterfaceLayer.getRadioInterface(0);
+ok(radioInterface);
 
 // Check voicemail information accessible.
-ok(RIL.voicemailInfo);
-ok(RIL.voicemailInfo.number);
-ok(RIL.voicemailInfo.displayName);
+ok(radioInterface.voicemailInfo);
+ok(radioInterface.voicemailInfo.number);
+ok(radioInterface.voicemailInfo.displayName);
 // These are the emulator's hard coded voicemail number and alphaId.
-is(RIL.voicemailInfo.number, "+15552175049");
-is(RIL.voicemailInfo.displayName, "Voicemail");
+is(radioInterface.voicemailInfo.number, "+15552175049");
+is(radioInterface.voicemailInfo.displayName, "Voicemail");
 
 finish();