diff --git a/cli/silence_update.go b/cli/silence_update.go
index 29caadf0..c5c59da9 100644
--- a/cli/silence_update.go
+++ b/cli/silence_update.go
@@ -103,8 +103,8 @@ func updateSilence(silence *types.Silence) (*types.Silence, error) {
 		silence.EndsAt = *updateExpiresOn
 	}
 
-	if *comment != "" {
-		silence.Comment = *comment
+	if *updateComment != "" {
+		silence.Comment = *updateComment
 	}
 
 	// addSilence can also be used to update an existing silence