diff --git a/vars.sh b/vars.sh
index cbad0cb..aeb51b8 100644
--- a/vars.sh
+++ b/vars.sh
@@ -23,7 +23,7 @@ myHomedir=$(whoami)
 #
 # script base dir
 #
-scriptDir=$(pwd)
+scriptDir=$(dirname $0)
 
 #
 # logfile
diff --git a/yggdrasil.sh b/yggdrasil.sh
index 915c838..989d7aa 100755
--- a/yggdrasil.sh
+++ b/yggdrasil.sh
@@ -10,12 +10,12 @@
 #
 # include functions and vars from external files
 #
-source ./vars.sh
-source ./core_functions.sh
-source ./repo_functions.sh
-source ./install_functions.sh
-source ./menus_functions.sh
-source ./tools_functions.sh
+source $(dirname $0)/vars.sh
+source $(dirname $0)/core_functions.sh
+source $(dirname $0)/repo_functions.sh
+source $(dirname $0)/install_functions.sh
+source $(dirname $0)/menus_functions.sh
+source $(dirname $0)/tools_functions.sh
 
 #
 # check if the script is running in root/sudo