diff --git a/src/com/android/phone/ImsUtil.java b/src/com/android/phone/ImsUtil.java
index ee23e6f..18fc534 100644
--- a/src/com/android/phone/ImsUtil.java
+++ b/src/com/android/phone/ImsUtil.java
@@ -113,7 +113,7 @@
     public static boolean shouldPromoteWfc(Context context, int phoneId) {
         CarrierConfigManager cfgManager = (CarrierConfigManager) context
                 .getSystemService(Context.CARRIER_CONFIG_SERVICE);
-        if (cfgManager == null || cfgManager.getConfigForSubId(getSubId(phoneId))
+        if (cfgManager == null || !cfgManager.getConfigForSubId(getSubId(phoneId))
                 .getBoolean(CarrierConfigManager.KEY_CARRIER_PROMOTE_WFC_ON_CALL_FAIL_BOOL)) {
             return false;
         }