diff --git a/scripts/deployment.sh b/scripts/deployment.sh
index 03dc3e1acf12ab572574a13f96a01893c04615f7..2a8f20d9fb8f0fddf0bb86eea29aa2b0b472f22f 100755
--- a/scripts/deployment.sh
+++ b/scripts/deployment.sh
@@ -54,7 +54,7 @@ export AIRFLOW_UID=$(id -u)
 pip install -r $GIT_REPO/requirements.txt
 
 sed -i "s_datalogistics.eflows4hpc.eu_${SERVER_DOMAIN}_g" $GIT_REPO/dockers/docker-compose.yaml
-sed -i "s_SSO_CLIENT_SECRET_${SSO_CLIENT_SECRET}_g" $AIRFLOW_DIR/client_secret.json
+sed -i "s/SSO_CLIENT_SECRET/${SSO_CLIENT_SECRET}/g" $AIRFLOW_DIR/client_secret.json
 
 # it is at this point assumed that ip and volume are correctly assigned, and that dns is working properly
 echo "-----------Bringing up the docker containers-----------"