diff --git a/gmod/initConfig.sh b/gmod/initConfig.sh
index fb61e95..4c6aeff 100644
--- a/gmod/initConfig.sh
+++ b/gmod/initConfig.sh
@@ -13,6 +13,10 @@ CFG_PATH="${SERVER_PATH}/garrysmod/cfg/gmodserver.cfg"
 function configReplace() {
 	source="$1"
 	target="\"$2\""
+
+	if ! echo "$2" | grep -qe "^[a-zA-Z0-9_-]+$"; then
+		echo "[initConfig.sh]Warning your configured value for $source doesn't match regex ^[a-zA-Z0-9_-]+$. Special symbols could crash this script because they are not sanitized."
+	fi
 	
 	count=$(grep -Poc "($source).+" "${CFG_PATH}" || echo 0)