diff --git a/store/v2/db/pebbledb.go b/store/v2/db/pebbledb.go
index e6f4d67a97bd..62f35b47e485 100644
--- a/store/v2/db/pebbledb.go
+++ b/store/v2/db/pebbledb.go
@@ -228,6 +228,9 @@ func (itr *pebbleDBIterator) Error() error {
 }
 
 func (itr *pebbleDBIterator) Close() error {
+	if itr.source == nil {
+		return nil
+	}
 	err := itr.source.Close()
 	itr.source = nil
 	itr.valid = false