diff --git a/install.sh b/install.sh
index 2fa0228..bf4d1e6 100755
--- a/install.sh
+++ b/install.sh
@@ -360,7 +360,10 @@ post_install() {
 action() {
     echo "Preparing the installation…"
     
+    SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
     DESTINATION="$1"
+    [ -z $DESTINATION ] && DESTINATION="$SCRIPT_DIR"
+
     GIT=$(which git)
     CMAKE=$(which cmake)
     MAKE=$(which make)
@@ -386,9 +389,6 @@ action() {
     [[ $URL =~ ^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]+$ ]] && URL="$URL:"
     [ -z $BRANCH ] && BRANCH="stable"
     [ -z $WORLD_NAME ] && WORLD_NAME="nalc"
-
-    SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
-    [ -z $DESTINATION ] && DESTINATION="$SCRIPT_DIR"
     [ ! -e $MINETEST_BIN ] && error "$MINETEST_BIN not found"
     [ ! -d $MINETEST_DIR ] && error "$MINETEST_DIR not found"