diff --git a/pkg/btrfs-diff.go b/pkg/btrfs-diff.go
index bd1db35..1da67a6 100644
--- a/pkg/btrfs-diff.go
+++ b/pkg/btrfs-diff.go
@@ -166,7 +166,7 @@ func debugInd(ind int, msg string, params ...interface{}) {
 
 // print a diff tree (only if debug mode is enabled)
 func (node *nodeInst) PrintTree(w io.Writer, root bool, padding string, lenParent int, indexParent int) {
-	if node == nil {
+	if node == nil || !debugMode {
 		return
 	}