diff --git a/Run.sh b/Run.sh
index 7cddb8b..c57a203 100644
--- a/Run.sh
+++ b/Run.sh
@@ -2,7 +2,7 @@
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 OUTPUT_DIR="$2"
 DEFAULT_CFG_FILE=UT2004.ini
-CFG_FILE="{$3:-$DEFAULT_CFG_FILE}"
+CFG_FILE="${3:-$DEFAULT_CFG_FILE}"
 function add_iniKeyEx() {
 	crudini --set $OUTPUT_DIR/System/$1 $2 __$3 $4
 	# Warning: ugly hack with sed to allow multiple key instances + to remove space around '='