diff --git a/ckupeye b/ckupeye
index c8c5a62..2929446 100755
--- a/ckupeye
+++ b/ckupeye
@@ -190,7 +190,7 @@ fi
 if $EXPORT_POSTGRESQL
 then
     echo → Exporting PostgreSQL
-    pg_dumpall $EXPORT_POSTGRESQL_OPTIONS | _feedExport "$EXPORT_POSTGRESQL_FILE"
+    sudo -u postgres pg_dumpall $EXPORT_POSTGRESQL_OPTIONS | _feedExport "$EXPORT_POSTGRESQL_FILE"
     EXPORT_FILES="$EXPORT_POSTGRESQL_FILE $EXPORT_FILES"
 fi