diff --git a/DataStructures/SearchEngine.h b/DataStructures/SearchEngine.h
index ae3185753..58f5e774d 100644
--- a/DataStructures/SearchEngine.h
+++ b/DataStructures/SearchEngine.h
@@ -50,8 +50,8 @@ template <class DataFacadeT> class SearchEngine
         : facade(facade), shortest_path(facade, engine_working_data),
           alternative_path(facade, engine_working_data), distance_table(facade, engine_working_data)
     {
-        static_assert(!std::is_pointer<DataFacadeT>(), "don't instantiate with ptr type");
-        static_assert(std::is_object<DataFacadeT>(), "don't instantiate with void, function, or reference");
+        static_assert(!std::is_pointer<DataFacadeT>::value, "don't instantiate with ptr type");
+        static_assert(std::is_object<DataFacadeT>::value, "don't instantiate with void, function, or reference");
     }
 
     ~SearchEngine() {}