diff --git a/test/teststl.cpp b/test/teststl.cpp
index d3f4777ce..82390256b 100644
--- a/test/teststl.cpp
+++ b/test/teststl.cpp
@@ -149,7 +149,7 @@ private:
                   "        }\n"
                   "    }\n"
                   "}\n");
-            // TODO ASSERT_EQUALS(std::string(""), errout.str());
+            TODO_ASSERT_EQUALS(std::string(""), errout.str());
         }
     }