diff --git a/core/field.js b/core/field.js
index 3ad8d3cfb..64616d3cb 100644
--- a/core/field.js
+++ b/core/field.js
@@ -830,10 +830,10 @@ Blockly.Field.prototype.doValueUpdate_ = function(newValue) {
  * Used to notify the field an invalid value was input. Can be overidden by
  * subclasses, see FieldTextInput.
  * No-op by default.
- * @param {*} _newValue The input value that was determined to be invalid.
+ * @param {*} _invalidValue The input value that was determined to be invalid.
  * @protected
  */
-Blockly.Field.prototype.doValueInvalid_ = function(_newValue) {
+Blockly.Field.prototype.doValueInvalid_ = function(_invalidValue) {
   // NOP
 };
 
diff --git a/core/field_textinput.js b/core/field_textinput.js
index 495d7b447..bb68cee10 100644
--- a/core/field_textinput.js
+++ b/core/field_textinput.js
@@ -115,12 +115,12 @@ Blockly.FieldTextInput.prototype.doClassValidation_ = function(newValue) {
  * Called by setValue if the text input is not valid. If the field is
  * currently being edited it reverts value of the field to the previous
  * value while allowing the display text to be handled by the htmlInput_.
- * @param {*} _newValue The input value that was determined to be invalid.
+ * @param {*} _invalidValue The input value that was determined to be invalid.
  *    This is not used by the text input because its display value is stored on
  *    the htmlInput_.
  * @protected
  */
-Blockly.FieldTextInput.prototype.doValueInvalid_ = function(_newValue) {
+Blockly.FieldTextInput.prototype.doValueInvalid_ = function(_invalidValue) {
   if (this.isBeingEdited_) {
     this.isTextValid_ = false;
     var oldValue = this.value_;