diff --git a/other/nightly/upgrade.sh b/other/nightly/upgrade.sh
index c8fb9a98f..8ccacb8a0 100644
--- a/other/nightly/upgrade.sh
+++ b/other/nightly/upgrade.sh
@@ -248,11 +248,11 @@ nohup bash -c "
     COMPOSE_FILES='-f /data/coolify/source/docker-compose.yml -f /data/coolify/source/docker-compose.prod.yml'
     if [ -f /data/coolify/source/docker-compose.custom.yml ]; then
         log 'Using custom docker-compose.yml'
-        COMPOSE_FILES="\$COMPOSE_FILES -f /data/coolify/source/docker-compose.custom.yml"
+        COMPOSE_FILES=\"\$COMPOSE_FILES -f /data/coolify/source/docker-compose.custom.yml\"
     fi
     if [ -f /data/coolify/source/docker-compose.postgres-upgrade.yml ]; then
         log 'Using PostgreSQL upgrade compose override'
-        COMPOSE_FILES="\$COMPOSE_FILES -f /data/coolify/source/docker-compose.postgres-upgrade.yml"
+        COMPOSE_FILES=\"\$COMPOSE_FILES -f /data/coolify/source/docker-compose.postgres-upgrade.yml\"
     fi
 
     log 'Running docker compose up...'
diff --git a/scripts/upgrade.sh b/scripts/upgrade.sh
index 199b531fd..fb27694b0 100644
--- a/scripts/upgrade.sh
+++ b/scripts/upgrade.sh
@@ -257,11 +257,11 @@ nohup bash -c "
     COMPOSE_FILES='-f /data/coolify/source/docker-compose.yml -f /data/coolify/source/docker-compose.prod.yml'
     if [ -f /data/coolify/source/docker-compose.custom.yml ]; then
         log 'Using custom docker-compose.yml'
-        COMPOSE_FILES="\$COMPOSE_FILES -f /data/coolify/source/docker-compose.custom.yml"
+        COMPOSE_FILES=\"\$COMPOSE_FILES -f /data/coolify/source/docker-compose.custom.yml\"
     fi
     if [ -f /data/coolify/source/docker-compose.postgres-upgrade.yml ]; then
         log 'Using PostgreSQL upgrade compose override'
-        COMPOSE_FILES="\$COMPOSE_FILES -f /data/coolify/source/docker-compose.postgres-upgrade.yml"
+        COMPOSE_FILES=\"\$COMPOSE_FILES -f /data/coolify/source/docker-compose.postgres-upgrade.yml\"
     fi
 
     log 'Running docker compose up...'