Index: src/InitTweak/FixGlobalInit.cc
===================================================================
--- src/InitTweak/FixGlobalInit.cc	(revision e68b3a8f4d702ff2be4044a9196c2909b753b65b)
+++ src/InitTweak/FixGlobalInit.cc	(revision e89f4b16a58e198551a14858078a1c0c55172fbc)
@@ -74,5 +74,5 @@
   	std::string ret = name.substr( 0, name.find( '.' ) );
   	// replace invalid characters with _
-		static std::string invalid = "/-";
+		static std::string invalid = "/-@";
   	replace_if( ret.begin(), ret.end(), []( char c ) { return invalid.find(c) != std::string::npos; }, '_' );
   	return ret;