diff --git a/mist_infra/scripts/backup_k8s_storage_to_s3.sh b/mist_infra/scripts/backup_k8s_storage_to_s3.sh
index 6ffe644..ec620ab 100644
--- a/mist_infra/scripts/backup_k8s_storage_to_s3.sh
+++ b/mist_infra/scripts/backup_k8s_storage_to_s3.sh
@@ -32,7 +32,7 @@ TAR_EXCLUDES=(
 case "$ENVIRONMENT" in
   dev)
     PG_SECRET_NAME="postgres-secret"
-    PG_POD_SELECTOR="app=postgres"
+    PG_POD_SELECTOR="app=postgres-dev"
     S3_PREFIX="dev"
     NAMESPACE="dev"
     ;;