diff --git a/image.go b/image.go
index 460ce1c3f..ee7a63f5a 100644
--- a/image.go
+++ b/image.go
@@ -45,7 +45,7 @@ type Image struct {
 
 	filter Filter
 
-	screen   bool
+	screen bool
 }
 
 func (i *Image) copyCheck() {