--- a/src/paths.cpp~	2015-07-23 16:38:09.000000000 +0300

+++ a/src/paths.cpp	2015-07-23 17:56:58.236000000 +0300

@@ -141,10 +141,10 @@ QString Paths::configPath() {

 		const char * XDG_CONFIG_HOME = getenv("XDG_CONFIG_HOME");

 		if (XDG_CONFIG_HOME!=NULL) {

 			/* qDebug("Paths::configPath: XDG_CONFIG_HOME: %s", XDG_CONFIG_HOME); */

-			return QString(XDG_CONFIG_HOME) + "/smplayer";

+			return QString(XDG_CONFIG_HOME) + "/@APP_PREFIX@-smplayer";

 		} 

 		else

-		return QDir::homePath() + "/.config/smplayer";

+		return QDir::homePath() + "/.config/@APP_PREFIX@-smplayer";

 		#else

 		return QDir::homePath() + "/.smplayer";

 		#endif

--- a/src/chromecast.cpp~	2017-03-21 10:47:11.000000000 +0300

+++ a/src/chromecast.cpp	2017-03-21 11:14:55.979000000 +0300

@@ -229,7 +229,7 @@ void Chromecast::startServer(QString doc

 	args << "-F" << "-d" << "-4" << "-p" << QString::number(server_port) << "-r" << doc_root;

 	if (!directoryListing()) args << "-j";

 #elif defined(CHROMECAST_USE_SERVER_SIMPLE_WEB_SERVER)

-	prog = "simple_web_server";

+	prog = "@APP_PREFIX@-simple_web_server";

 	#ifdef Q_OS_WIN

 	prog += ".exe";

 	#endif