diff --git a/devspace.sh b/devspace.sh
index 77141c41..e782cba2 100755
--- a/devspace.sh
+++ b/devspace.sh
@@ -1,16 +1,13 @@
 #!/bin/bash
 
-IMAGE=registry.mgrote.net/ansible-devspace:latest
+IMAGE="registry.mgrote.net/ansible-devspace:latest"
 
 # Farben
-BLUE='\[\e[34m\]'
-GREEN='\[\e[32m\]'
-RED='\[\e[31m\]'
-YELLOW='\[\e[33m\]'
-WHITE='\[\e[97m\]'
-BLACK='\[\e[30m\]'
-RESET='\[\e[0m\]'
-ORANGE='\[\e[0;33m\]'
+# https://stackoverflow.com/questions/5947742/how-to-change-the-output-color-of-echo-in-linux
+RESET='\033[0m'       # Text Reset
+RED='\033[0;31m'          # Red
+GREEN='\033[0;32m'        # Green
+Yellow='\033[0;33m'       # Yellow
 
 echo ${GREEN}Run checks...${RESET}
 
@@ -28,3 +25,5 @@ docker pull --quiet ${IMAGE}
 
 echo ${GREEN}Start session...${RESET}
 docker run -it -v $PWD:/ansible-homeserver -w /ansible-homeserver ${IMAGE} /bin/bash && tmux new -t ansible && git rev-parse --abbrev-ref HEAD && git config --global --add safe.directory /ansible-homeserver
+
+# todo shellcheck