diff --git a/lgsm/functions/install_config.sh b/lgsm/functions/install_config.sh
index 00fdd5431..190afbcd3 100644
--- a/lgsm/functions/install_config.sh
+++ b/lgsm/functions/install_config.sh
@@ -61,8 +61,7 @@ fn_set_config_vars(){
 		echo "changing hostname."
 		fn_script_log_info "changing hostname."
 		sleep 1
-
-		if [ "$(grep SERVERNAME=SERVERNAME \"${lgsmdir}/config-default/config-game/${config}\" 2>/dev/null)" ]; then
+		if grep -q "SERVERNAME=SERVERNAME" "${lgsmdir}/config-default/config-game/${config}" 2>/dev/null; then
 			sed -i "s/SERVERNAME=SERVERNAME/SERVERNAME=${servername}/g" "${servercfgfullpath}"
 		else
 			sed -i "s/SERVERNAME/${servername}/g" "${servercfgfullpath}"