diff --git a/backends/twitter/main.cpp b/backends/twitter/main.cpp
index f68f25ab..bb28d601 100644
--- a/backends/twitter/main.cpp
+++ b/backends/twitter/main.cpp
@@ -41,7 +41,7 @@ int main (int argc, char* argv[]) {
 	if (storagebackend == NULL) {
 		LOG4CXX_ERROR(logger, "Error creating StorageBackend! " << error);
 		LOG4CXX_ERROR(logger, "Twitter backend needs storage backend configured to work! " << error);
-		return -2;
+		return NetworkPlugin::StorageBackendNeeded;
 	}
 
 	else if (!storagebackend->connect()) {
diff --git a/include/transport/networkplugin.h b/include/transport/networkplugin.h
index 6c4ababd..a5e123f7 100644
--- a/include/transport/networkplugin.h
+++ b/include/transport/networkplugin.h
@@ -35,6 +35,7 @@ namespace Transport {
 /// development.
 class NetworkPlugin {
 	public:
+		enum ExitCode { StorageBackendNeeded = -2 };
 
 		class PluginConfig {
 			public: