diff --git a/lgsm/config-default/config-lgsm/csczserver/_default.cfg b/lgsm/config-default/config-lgsm/csczserver/_default.cfg
index 2741b5974..0f7fcdf06 100644
--- a/lgsm/config-default/config-lgsm/csczserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/csczserver/_default.cfg
@@ -17,7 +17,7 @@ maxplayers="16"
 
 ## Server Start Command | https://github.com/GameServerManagers/LinuxGSM/wiki/Start-Parameters#additional-parameters
 fn_parms(){
-parms="-game czero -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} -maxplayers ${maxplayers}"
+parms="-game czero -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
 }
 
 #### LinuxGSM Settings ####
diff --git a/lgsm/config-default/config-lgsm/csserver/_default.cfg b/lgsm/config-default/config-lgsm/csserver/_default.cfg
index e50bb03f2..36accf304 100644
--- a/lgsm/config-default/config-lgsm/csserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/csserver/_default.cfg
@@ -17,7 +17,7 @@ maxplayers="16"
 
 ## Server Start Command | https://github.com/GameServerManagers/LinuxGSM/wiki/Start-Parameters#additional-parameters
 fn_parms(){
-parms="-game cstrike -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} -maxplayers ${maxplayers}"
+parms="-game cstrike -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
 }
 
 #### LinuxGSM Settings ####
diff --git a/lgsm/config-default/config-lgsm/dmcserver/_default.cfg b/lgsm/config-default/config-lgsm/dmcserver/_default.cfg
index 8d89d06f2..0c9363314 100644
--- a/lgsm/config-default/config-lgsm/dmcserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/dmcserver/_default.cfg
@@ -17,7 +17,7 @@ maxplayers="16"
 
 ## Server Start Command | https://github.com/GameServerManagers/LinuxGSM/wiki/Start-Parameters#additional-parameters
 fn_parms(){
-parms="-game dmc -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} -maxplayers ${maxplayers}"
+parms="-game dmc -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
 }
 
 #### LinuxGSM Settings ####
diff --git a/lgsm/config-default/config-lgsm/dodserver/_default.cfg b/lgsm/config-default/config-lgsm/dodserver/_default.cfg
index 1551f291b..37dde5b38 100644
--- a/lgsm/config-default/config-lgsm/dodserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/dodserver/_default.cfg
@@ -17,7 +17,7 @@ maxplayers="16"
 
 ## Server Start Command | https://github.com/GameServerManagers/LinuxGSM/wiki/Start-Parameters#additional-parameters
 fn_parms(){
-parms="-game dod -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} -maxplayers ${maxplayers}"
+parms="-game dod -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
 }
 
 #### LinuxGSM Settings ####
diff --git a/lgsm/config-default/config-lgsm/hldmserver/_default.cfg b/lgsm/config-default/config-lgsm/hldmserver/_default.cfg
index 65d93ca37..302b4b3d8 100644
--- a/lgsm/config-default/config-lgsm/hldmserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/hldmserver/_default.cfg
@@ -17,7 +17,7 @@ maxplayers="16"
 
 ## Server Start Command | https://github.com/GameServerManagers/LinuxGSM/wiki/Start-Parameters#additional-parameters
 fn_parms(){
-parms="-game valve -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} -maxplayers ${maxplayers}"
+parms="-game valve -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
 }
 
 #### LinuxGSM Settings ####
diff --git a/lgsm/config-default/config-lgsm/l4dserver/_default.cfg b/lgsm/config-default/config-lgsm/l4dserver/_default.cfg
index 7676279f3..207c62944 100644
--- a/lgsm/config-default/config-lgsm/l4dserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/l4dserver/_default.cfg
@@ -99,7 +99,7 @@ engine="source"
 systemdir="${serverfiles}/left4dead"
 executabledir="${serverfiles}"
 executable="./srcds_run"
-servercfg="${servicename}.cfg"
+servercfg="server.cfg"
 servercfgdefault="server.cfg"
 servercfgdir="${systemdir}/cfg"
 servercfgfullpath="${servercfgdir}/${servercfg}"
diff --git a/lgsm/config-default/config-lgsm/opforserver/_default.cfg b/lgsm/config-default/config-lgsm/opforserver/_default.cfg
index 842cfa0ce..2d8ad75ae 100644
--- a/lgsm/config-default/config-lgsm/opforserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/opforserver/_default.cfg
@@ -17,7 +17,7 @@ maxplayers="16"
 
 ## Server Start Command | https://github.com/GameServerManagers/LinuxGSM/wiki/Start-Parameters#additional-parameters
 fn_parms(){
-parms="-game gearbox -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} -maxplayers ${maxplayers}"
+parms="-game gearbox -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
 }
 
 ### LinuxGSM Settings ####
diff --git a/lgsm/config-default/config-lgsm/ricochetserver/_default.cfg b/lgsm/config-default/config-lgsm/ricochetserver/_default.cfg
index c125fef3f..3d553900e 100644
--- a/lgsm/config-default/config-lgsm/ricochetserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/ricochetserver/_default.cfg
@@ -17,7 +17,7 @@ maxplayers="16"
 
 ## Server Start Command | https://github.com/GameServerManagers/LinuxGSM/wiki/Start-Parameters#additional-parameters
 fn_parms(){
-parms="-game ricochet -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} -maxplayers ${maxplayers}"
+parms="-game ricochet -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
 }
 
 #### LinuxGSM Settings ####
diff --git a/lgsm/config-default/config-lgsm/svenserver/_default.cfg b/lgsm/config-default/config-lgsm/svenserver/_default.cfg
index cd665a7d6..455e170a1 100644
--- a/lgsm/config-default/config-lgsm/svenserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/svenserver/_default.cfg
@@ -17,7 +17,7 @@ maxplayers="16"
 
 ## Server Start Command | https://github.com/GameServerManagers/LinuxGSM/wiki/Start-Parameters#additional-parameters
 fn_parms(){
-parms="-game svencoop -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} -maxplayers ${maxplayers}"
+parms="-game svencoop -strictportbind +ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
 }
 
 #### LinuxGSM Settings ####
diff --git a/lgsm/config-default/config-lgsm/tfcserver/_default.cfg b/lgsm/config-default/config-lgsm/tfcserver/_default.cfg
index 3a7dd9f8a..7836c5c29 100644
--- a/lgsm/config-default/config-lgsm/tfcserver/_default.cfg
+++ b/lgsm/config-default/config-lgsm/tfcserver/_default.cfg
@@ -17,7 +17,7 @@ maxplayers="16"
 
 ## Server Start Command | https://github.com/GameServerManagers/LinuxGSM/wiki/Start-Parameters#additional-parameters
 fn_parms(){
-parms="-game tfc -strictportbind _ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} -maxplayers ${maxplayers}"
+parms="-game tfc -strictportbind _ip ${ip} -port ${port} +clientport ${clientport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
 }
 
 #### LinuxGSM Settings ####
diff --git a/lgsm/functions/command_backup.sh b/lgsm/functions/command_backup.sh
index 586a7db99..4225a2c5e 100644
--- a/lgsm/functions/command_backup.sh
+++ b/lgsm/functions/command_backup.sh
@@ -112,7 +112,8 @@ fn_backup_compression(){
 	sleep 2
 	fn_print_dots "Backup (${rootdirduexbackup}) ${backupname}.tar.gz, in progress..."
 	fn_script_log_info "backup ${rootdirduexbackup} ${backupname}.tar.gz, in progress"
-	tar -czf "${backupdir}/${backupname}.tar.gz" -C "${rootdir}" --exclude "${backupdir}" ./*
+	excludedir=$(realpath --relative-to="${rootdir}" "${backupdir}")
+	tar -czf "${backupdir}/${backupname}.tar.gz" -C "${rootdir}" --exclude "${excludedir}" ./*
 	local exitcode=$?
 	if [ ${exitcode} -ne 0 ]; then
 		fn_print_fail_eol
diff --git a/lgsm/functions/install_config.sh b/lgsm/functions/install_config.sh
index ac67f31f1..4def0ecf0 100644
--- a/lgsm/functions/install_config.sh
+++ b/lgsm/functions/install_config.sh
@@ -528,4 +528,10 @@ elif [ "${gamename}" == "Wolfenstein: Enemy Territory" ]; then
 	fn_fetch_default_config
 	fn_default_config_remote
 	fn_set_config_vars
+elif [ "${gamename}" == "Zombie Panic! Source" ]; then
+	gamedirname="ZombiePanicSource"
+	array_configs+=( server.cfg )
+	fn_fetch_default_config
+	fn_default_config_remote
+	fn_set_config_vars
 fi