diff --git a/core/field_textinput.js b/core/field_textinput.js
index 336a2da24..159a30ef5 100644
--- a/core/field_textinput.js
+++ b/core/field_textinput.js
@@ -54,6 +54,13 @@ goog.require('Blockly.utils.userAgent');
  * @constructor
  */
 Blockly.FieldTextInput = function(opt_value, opt_validator, opt_config) {
+  /**
+   * Allow browser to spellcheck this field.
+   * @type {boolean}
+   * @private
+   */
+  this.spellcheck_ = true;
+
   if (opt_value == null) {
     opt_value = '';
   }
@@ -73,11 +80,7 @@ Blockly.utils.object.inherits(Blockly.FieldTextInput, Blockly.Field);
  */
 Blockly.FieldTextInput.fromJson = function(options) {
   var text = Blockly.utils.replaceMessageReferences(options['text']);
-  var field = new Blockly.FieldTextInput(text);
-  if (typeof options['spellcheck'] === 'boolean') {
-    field.setSpellcheck(options['spellcheck']);
-  }
-  return field;
+  return new Blockly.FieldTextInput(text, null, options);
 };
 
 /**
@@ -105,10 +108,14 @@ Blockly.FieldTextInput.BORDERRADIUS = 4;
 Blockly.FieldTextInput.prototype.CURSOR = 'text';
 
 /**
- * Allow browser to spellcheck this field.
- * @protected
+ * @override
  */
-Blockly.FieldTextInput.prototype.spellcheck_ = true;
+Blockly.FieldTextInput.prototype.configure_ = function(config) {
+  Blockly.FieldTextInput.superClass_.configure_.call(this, config);
+  if (typeof config['spellcheck'] == 'boolean') {
+    this.spellcheck_ = config['spellcheck'];
+  }
+};
 
 /**
  * Ensure that the input value casts to a valid string.
@@ -194,7 +201,13 @@ Blockly.FieldTextInput.prototype.render_ = function() {
  * @param {boolean} check True if checked.
  */
 Blockly.FieldTextInput.prototype.setSpellcheck = function(check) {
+  if (check == this.spellcheck_) {
+    return;
+  }
   this.spellcheck_ = check;
+  if (this.htmlInput_) {
+    this.htmlInput_.setAttribute('spellcheck', this.spellcheck_);
+  }
 };
 
 /**
diff --git a/tests/mocha/field_textinput_test.js b/tests/mocha/field_textinput_test.js
index 4177330a5..06ad18a0d 100644
--- a/tests/mocha/field_textinput_test.js
+++ b/tests/mocha/field_textinput_test.js
@@ -222,4 +222,60 @@ suite('Text Input Fields', function() {
       });
     });
   });
+  suite('Customization', function() {
+    suite('Spellcheck', function() {
+      setup(function() {
+        this.prepField = function(field) {
+          field.sourceBlock_ = {
+            workspace: {
+              scale: 1
+            }
+          };
+          Blockly.WidgetDiv.DIV = document.createElement('div');
+          this.stub = sinon.stub(field, 'resizeEditor_');
+        };
+
+        this.assertSpellcheck = function(field, value) {
+          this.prepField(field);
+          field.showEditor_();
+          chai.assert.equal(field.htmlInput_.getAttribute('spellcheck'),
+              value.toString());
+        };
+      });
+      teardown(function() {
+        if (this.stub) {
+          this.stub.restore();
+        }
+      });
+      test('Default', function() {
+        var field = new Blockly.FieldTextInput('test');
+        this.assertSpellcheck(field, true);
+      });
+      test('JS Constructor', function() {
+        var field = new Blockly.FieldTextInput('test', null, {
+          spellcheck: false
+        });
+        this.assertSpellcheck(field, false);
+      });
+      test('JSON Definition', function() {
+        var field = Blockly.FieldTextInput.fromJson({
+          text: 'test',
+          spellcheck: false
+        });
+        this.assertSpellcheck(field, false);
+      });
+      test('setSpellcheck Editor Hidden', function() {
+        var field = new Blockly.FieldTextInput('test');
+        field.setSpellcheck(false);
+        this.assertSpellcheck(field, false);
+      });
+      test('setSpellcheck Editor Shown', function() {
+        var field = new Blockly.FieldTextInput('test');
+        this.prepField(field);
+        field.showEditor_();
+        field.setSpellcheck(false);
+        chai.assert.equal(field.htmlInput_.getAttribute('spellcheck'), 'false');
+      });
+    });
+  });
 });