--- a/security/sandbox/linux/broker/SandboxBrokerPolicyFactory.cpp
+++ b/security/sandbox/linux/broker/SandboxBrokerPolicyFactory.cpp
@@ -277,17 +277,17 @@ SandboxBrokerPolicyFactory::GetContentPo
       }
       rv = profileDir->Clone(getter_AddRefs(workDir));
       if (NS_SUCCEEDED(rv)) {
         rv = workDir->AppendNative(NS_LITERAL_CSTRING("extensions"));
         if (NS_SUCCEEDED(rv)) {
           nsAutoCString tmpPath;
           rv = workDir->GetNativePath(tmpPath);
           if (NS_SUCCEEDED(rv)) {
-            policy->AddPath(rdonly, tmpPath.get());
+            policy->AddDir(rdonly, tmpPath.get());
           }
         }
       }
   }
 
   // Return the common policy.
   return policy;