diff --git a/src/openttd.cpp b/src/openttd.cpp
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -149,7 +149,7 @@ static void showhelp(void)
 		"\n"
 		"Command line options:\n"
 		"  -v drv              = Set video driver (see below)\n"
-		"  -s drv              = Set sound driver (see below)\n"
+		"  -s drv              = Set sound driver (see below) (param bufsize,hz)\n"
 		"  -m drv              = Set music driver (see below)\n"
 		"  -r res              = Set resolution (for instance 800x600)\n"
 		"  -h                  = Display this help text\n"
@@ -337,7 +337,7 @@ int ttd_main(int argc, char *argv[])
 {
 	int i;
 	const char *optformat;
-	char musicdriver[16], sounddriver[16], videodriver[16];
+	char musicdriver[32], sounddriver[32], videodriver[32];
 	int resolution[2] = {0,0};
 	Year startyear = INVALID_YEAR;
 	uint generation_seed = GENERATE_NEW_SEED;
@@ -350,7 +350,7 @@ int ttd_main(int argc, char *argv[])
 	uint16 dedicated_port = 0;
 #endif /* ENABLE_NETWORK */
 
-	musicdriver[0] = sounddriver[0] = videodriver[0] = 0;
+	musicdriver[0] = sounddriver[0] = videodriver[0] = '\0';
 
 	_game_mode = GM_MENU;
 	_switch_mode = SM_MENU;
@@ -381,14 +381,13 @@ int ttd_main(int argc, char *argv[])
 			strcpy(sounddriver, "null");
 			strcpy(videodriver, "dedicated");
 			dedicated = true;
-			if (mgo.opt != NULL)
-			{
+			if (mgo.opt != NULL) {
 				/* Use the existing method for parsing (openttd -n).
 				 * However, we do ignore the #player part. */
 				const char *temp = NULL;
 				const char *port = NULL;
 				ParseConnectionString(&temp, &port, mgo.opt);
-				if (*mgo.opt != '\0') dedicated_host = mgo.opt;
+				if (!StrEmpty(mgo.opt)) dedicated_host = mgo.opt;
 				if (port != NULL) dedicated_port = atoi(port);
 			}
 			break;
@@ -440,10 +439,10 @@ int ttd_main(int argc, char *argv[])
 	LoadFromHighScore();
 
 	// override config?
-	if (musicdriver[0]) ttd_strlcpy(_ini_musicdriver, musicdriver, sizeof(_ini_musicdriver));
-	if (sounddriver[0]) ttd_strlcpy(_ini_sounddriver, sounddriver, sizeof(_ini_sounddriver));
-	if (videodriver[0]) ttd_strlcpy(_ini_videodriver, videodriver, sizeof(_ini_videodriver));
-	if (resolution[0]) { _cur_resolution[0] = resolution[0]; _cur_resolution[1] = resolution[1]; }
+	if (!StrEmpty(musicdriver)) ttd_strlcpy(_ini_musicdriver, musicdriver, sizeof(_ini_musicdriver));
+	if (!StrEmpty(sounddriver)) ttd_strlcpy(_ini_sounddriver, sounddriver, sizeof(_ini_sounddriver));
+	if (!StrEmpty(videodriver)) ttd_strlcpy(_ini_videodriver, videodriver, sizeof(_ini_videodriver));
+	if (resolution[0] != 0) { _cur_resolution[0] = resolution[0]; _cur_resolution[1] = resolution[1]; }
 	if (startyear != INVALID_YEAR) _patches_newgame.starting_year = startyear;
 	if (generation_seed != GENERATE_NEW_SEED) _patches_newgame.generation_seed = generation_seed;