diff --git a/snapshots/blockfile/blockfile.go b/snapshots/blockfile/blockfile.go
index a504a62ef..a814d9311 100644
--- a/snapshots/blockfile/blockfile.go
+++ b/snapshots/blockfile/blockfile.go
@@ -122,7 +122,7 @@ func NewSnapshotter(root string, opts ...Opt) (snapshots.Snapshotter, error) {
 		config.fsType = "ext4"
 	}
 
-	if config.mountOptions != nil {
+	if config.mountOptions == nil {
 		config.mountOptions = []string{"loop"}
 	}