--- 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