diff --git a/display.go b/display.go
index e9c4b51..6bf3ea4 100644
--- a/display.go
+++ b/display.go
@@ -343,7 +343,7 @@ func startBacklightTickers() {
 		dimTicker.Stop()
 	}
 
-	if offticker != nil {
+	if offTicker != nil {
 		offTicker.Stop()
 	}