diff --git a/src/ol/render/canvas/TextBuilder.js b/src/ol/render/canvas/TextBuilder.js
index 2c8c601441..10cf759148 100644
--- a/src/ol/render/canvas/TextBuilder.js
+++ b/src/ol/render/canvas/TextBuilder.js
@@ -14,18 +14,19 @@ import TextPlacement from '../../style/TextPlacement.js';
  * @const
  * @enum {number}
  */
-export const TEXT_ALIGN = {};
-TEXT_ALIGN['left'] = 0;
-TEXT_ALIGN['end'] = 0;
-TEXT_ALIGN['center'] = 0.5;
-TEXT_ALIGN['right'] = 1;
-TEXT_ALIGN['start'] = 1;
-TEXT_ALIGN['top'] = 0;
-TEXT_ALIGN['middle'] = 0.5;
-TEXT_ALIGN['hanging'] = 0.2;
-TEXT_ALIGN['alphabetic'] = 0.8;
-TEXT_ALIGN['ideographic'] = 0.8;
-TEXT_ALIGN['bottom'] = 1;
+export const TEXT_ALIGN = {
+  left: 0,
+  end: 0,
+  center: 0.5,
+  right: 1,
+  start: 1,
+  top: 0,
+  middle: 0.5,
+  hanging: 0.2,
+  alphabetic: 0.8,
+  ideographic: 0.8,
+  bottom: 1
+};
 
 
 class CanvasTextBuilder extends CanvasBuilder {