From 06f6c22a27dffa6eb6eba0f7e9ec115cc45edf6a Mon Sep 17 00:00:00 2001
From: Sam El-Husseini <sam.elhusseini@gmail.com>
Date: Fri, 3 Apr 2020 14:36:19 -0700
Subject: [PATCH] Fix field colour in headless (#3795)

---
 core/field_colour.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/field_colour.js b/core/field_colour.js
index 6cf82d089..562bdaeec 100644
--- a/core/field_colour.js
+++ b/core/field_colour.js
@@ -220,7 +220,7 @@ Blockly.FieldColour.prototype.doValueUpdate_ = function(newValue) {
   this.value_ = newValue;
   if (this.borderRect_) {
     this.borderRect_.style.fill = newValue;
-  } else if (this.sourceBlock_) {
+  } else if (this.sourceBlock_ && this.sourceBlock_.rendered) {
     this.sourceBlock_.pathObject.svgPath.setAttribute('fill', newValue);
     this.sourceBlock_.pathObject.svgPath.setAttribute('stroke', '#fff');
   }