diff --git a/contribs/gmf/src/drawing/drawFeatureComponent.js b/contribs/gmf/src/drawing/drawFeatureComponent.js
index 6a7b5f4c323c..9f96bf90d6d1 100644
--- a/contribs/gmf/src/drawing/drawFeatureComponent.js
+++ b/contribs/gmf/src/drawing/drawFeatureComponent.js
@@ -606,7 +606,7 @@ exports.Controller_.prototype.handleMapClick_ = function(evt) {
 
 
 exports.Controller_.prototype.handleCancelKeyEvent_ = function() {
-  olEvents.listen(document.body, 'keydown', (e) => {
+  olEvents.listen(document.body, 'keydown', (event) => {
     const escPressed = event.keyCode === 27; // Escape key
     if (!active.mousedown && escPressed && this.selectedFeature) {
       this.selectedFeature = null;
diff --git a/contribs/gmf/src/editing/editFeatureComponent.js b/contribs/gmf/src/editing/editFeatureComponent.js
index dca1a8ac2371..582280f17f76 100644
--- a/contribs/gmf/src/editing/editFeatureComponent.js
+++ b/contribs/gmf/src/editing/editFeatureComponent.js
@@ -991,7 +991,7 @@ exports.Controller_.prototype.handleMapClick_ = function(evt) {
   const activeInteraction = interactions.find(interaction => interaction.getActive() === true);
 
   if (this.cancelEventKey_ === undefined) {
-    this.cancelEventKey_ = olEvents.listen(document.body, 'keydown', (e) => {
+    this.cancelEventKey_ = olEvents.listen(document.body, 'keydown', (event) => {
       const escPressed = event.keyCode === 27; // Escape key
       if (!active.mousedown && escPressed && activeInteraction.getActive()) {
         this.cancel();