diff --git a/Framework/Core/include/Framework/ConfigParamRegistry.h b/Framework/Core/include/Framework/ConfigParamRegistry.h
index 306a77bf06f15..c1fbbe8b3f34c 100644
--- a/Framework/Core/include/Framework/ConfigParamRegistry.h
+++ b/Framework/Core/include/Framework/ConfigParamRegistry.h
@@ -83,6 +83,7 @@ class ConfigParamRegistry
     } catch (...) {
       throw std::invalid_argument(std::string("error parsing option: ") + key);
     }
+    throw std::invalid_argument(std::string("bad type for option: ") + key);
   }
 
  private: