diff --git a/app/assets/javascripts/colourPreview.js b/app/assets/javascripts/colourPreview.js
index 102c574b8..52e2d4f4d 100644
--- a/app/assets/javascripts/colourPreview.js
+++ b/app/assets/javascripts/colourPreview.js
@@ -16,7 +16,7 @@
 
       this.$input
         .on('input', this.update)
-        .trigger('change');
+        .trigger('input');
 
     };