diff --git a/core/flyout_base.js b/core/flyout_base.js
index e860c9c97..d01652c67 100644
--- a/core/flyout_base.js
+++ b/core/flyout_base.js
@@ -477,6 +477,8 @@ Blockly.Flyout.prototype.show = function(flyoutDef) {
       throw TypeError('Result of toolbox category callback must be an array.');
     }
   }
+  this.setVisible(true);
+  
   // Parse the Array or NodeList passed in into an Array of
   // Blockly.utils.toolbox.Toolbox.
   var parsedContent = Blockly.utils.toolbox.convertToolboxToJSON(flyoutDef);
@@ -484,8 +486,6 @@ Blockly.Flyout.prototype.show = function(flyoutDef) {
     /** @type {{contents:!Array.<!Object>, gaps:!Array.<number>}} */ (
       this.createFlyoutInfo_(parsedContent));
 
-  this.setVisible(true);
-
   this.layout_(flyoutInfo.contents, flyoutInfo.gaps);
 
   // IE 11 is an incompetent browser that fails to fire mouseout events.