diff --git a/install_ansible.sh b/install_ansible.sh
index 385c459..3061e30 100755
--- a/install_ansible.sh
+++ b/install_ansible.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
-NC=`\033[m`
-Red=`\033[1;31m`
-Blue=`\033[1;34m`
+NC='\033[m'
+Red='\033[1;31m'
+Blue='\033[1;34m'
 
 if [ ! -f ~/.ssh/id_ed25519.pub ]
 then