diff --git a/snapshots/blockfile/blockfile.go b/snapshots/blockfile/blockfile.go
index 6d4377c9a..dd6257936 100644
--- a/snapshots/blockfile/blockfile.go
+++ b/snapshots/blockfile/blockfile.go
@@ -121,7 +121,7 @@ func NewSnapshotter(root string, opts ...Opt) (snapshots.Snapshotter, error) {
 		config.fsType = "ext4"
 	}
 
-	if config.mountOptions != nil {
+	if config.mountOptions == nil {
 		config.mountOptions = []string{"loop"}
 	}