diff --git a/README.md b/README.md
index 727a968..d90bd23 100644
--- a/README.md
+++ b/README.md
@@ -24,3 +24,11 @@ Now you can execute it the first time and check the configuration of your Projec
 
     project-manager
 
+## Setup
+
+In order to use the project manager you have to execute it once
+
+    project-manager
+
+
+
diff --git a/bin/project-manager b/bin/project-manager
index 5a036e0..7840597 100755
--- a/bin/project-manager
+++ b/bin/project-manager
@@ -1,16 +1,16 @@
 #!/bin/bash
 set -e
 
-project_manager_dir="$(readlink -f "$(dirname "$(readlink -f ${BASH_SOURCE[0]})")/..")"
-source "$project_manager_dir/bin/includes/includes"
-if [ -f "$project_manager_dir/etc/config" ]
+dir="$(readlink -f "$(dirname "$(readlink -f ${BASH_SOURCE[0]})")/..")"
+source "$dir/bin/includes/includes"
+if [ -f "$dir/etc/config" ]
 then
-  source "$project_manager_dir/etc/config"
+  source "$dir/etc/config"
 fi
 
-if [ -f "$project_manager_dir/etc/projects" ]
+if [ -f "$dir/etc/projects" ]
 then
-  source "$project_manager_dir/etc/projects"
+  source "$dir/etc/projects"
 fi
 
 function use {
@@ -48,7 +48,7 @@ function list {
   echo >&2
 }
 
-if [ "$1" == "" ]
+if [ "$1" == "" ] && [ -f "$project_manager_dir/etc/config" ] && [ -f "$project_manager_dir/etc/projects" ]
 then
   use
   exit