diff --git a/pica-db-backup/postgres-run.sh b/pica-db-backup/postgres-run.sh
index ab13139cbd3faf0b193f6040fe39c836aa3b3ca5..ae4932c8725694118a884c285e4aaed86e68b363 100755
--- a/pica-db-backup/postgres-run.sh
+++ b/pica-db-backup/postgres-run.sh
@@ -10,7 +10,7 @@ BACKUP_FOLDER=${BACKUP_FOLDER:-"/backup/"}
 
 ping -c 1 -W 1 "${POSTGRES_HOST}" || { echo -e "\n=========== ${POSTGRES_HOST} not available, skipping backup... ===========\n"; exit 1; }
 
-BACKUP_CMD="pg_dump -w -c > $BACKUP_FOLDER"'${BACKUP_NAME}'
+BACKUP_CMD="pg_dump -w -c --format=c > $BACKUP_FOLDER"'${BACKUP_NAME}'
 
 # Make sure backup folder exists
 mkdir -p "${BACKUP_FOLDER}"