diff --git a/interop/src/cpp/ets/convertors-ets.cc b/interop/src/cpp/ets/convertors-ets.cc
index 43ed9b98a59eb3f59da5776cd743402ee774605c..c3ec47ce97a17a4acd4173e4a1eadd2cf21bb349 100644
--- a/interop/src/cpp/ets/convertors-ets.cc
+++ b/interop/src/cpp/ets/convertors-ets.cc
@@ -148,4 +148,5 @@ const std::string& EtsExports::getClasspath(const std::string& module) {
         return defaultClasspath->second;
     }
     INTEROP_FATAL("Classpath for module %s was not registered", module.c_str());
+    return "";
 }