diff --git a/connection_manager.cc b/connection_manager.cc
index c225cb2..ca173ef 100644
--- a/connection_manager.cc
+++ b/connection_manager.cc
@@ -86,7 +86,7 @@
       if (device_policy->GetAllowedConnectionTypesForUpdate(&allowed_types)) {
         // The update setting is enforced by the device policy.
 
-        if (!ContainsKey(allowed_types, shill::kTypeCellular)) {
+        if (!base::ContainsKey(allowed_types, shill::kTypeCellular)) {
           LOG(INFO) << "Disabling updates over cellular per device policy.";
           return false;
         }