diff --git a/ec2-create-ce b/ec2-create-ce
index ebff156..9e637eb 100755
--- a/ec2-create-ce
+++ b/ec2-create-ce
@@ -393,7 +393,7 @@ esac
 if "${init_configuration}" ; then
   cat >> "${USER_DATA_FILE}" << EOF
 sed_regexp='s/^(export FORCE)=.+$/\1=yes/'
-sed -ri '${sed_regexp}' /etc/ngcp-installer/config_deploy.inc
+sed -ri '\${sed_regexp}' /etc/ngcp-installer/config_deploy.inc
 ngcp-installer && ngcp-initial-configuration
 EOF
 else