diff -up scorched/src/common/common/DefinesScorched.cpp.orig scorched/src/common/common/DefinesScorched.cpp
--- scorched/src/common/common/DefinesScorched.cpp.orig	2009-02-15 15:11:18.000000000 +0100
+++ scorched/src/common/common/DefinesScorched.cpp	2009-02-16 14:28:53.000000000 +0100
@@ -58,7 +58,7 @@ void S3D::showURL(const std::string &url
 	std::string buffer = S3D::formatStringBuffer("open %s", url.c_str());
 	system(buffer.c_str());
 #else
-	std::string buffer = S3D::formatStringBuffer("firefox %s", url.c_str());
+	std::string buffer = S3D::formatStringBuffer("xdg-open %s", url.c_str());
 	system(buffer.c_str());
 #endif // __DARWIN__
 #endif // _WIN32