diff --git a/CHANGES.md b/CHANGES.md
index 78568dbca..8405785ea 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -8,6 +8,7 @@
 * Changes
   * CanvasPattern and CanvasGradient styles are now handled for polygons.
   * Port to Cesium 1.51.
+  * Port to OpenLayers 5.3.0.
 
 # v 2.4 - 2018-10-01
 
diff --git a/package.json b/package.json
index b04e9d874..89c8895cb 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "jsdoc": "3.5.5",
     "ls": "0.2.1",
     "nomnom": "1.8.1",
-    "ol": "5.2.0",
+    "ol": "5.3.0",
     "proj4": "2.4.4",
     "temp": "0.8.3",
     "webpack": "^4.20.2",
diff --git a/src/olcs/FeatureConverter.js b/src/olcs/FeatureConverter.js
index d8b9e646b..616e0e879 100644
--- a/src/olcs/FeatureConverter.js
+++ b/src/olcs/FeatureConverter.js
@@ -718,10 +718,10 @@ class FeatureConverter {
       });
 
       if (imageStyle instanceof olStyleIcon) {
-        bbOptions.pixelOffset = new Cesium.Cartesian2(
-            image.width / 2 - imageStyle.getAnchor()[0],
-            image.height / 2 - imageStyle.getAnchor()[1]
-        );
+        const anchor = imageStyle.getAnchor();
+        if (anchor) {
+          bbOptions.pixelOffset = new Cesium.Cartesian2(image.width / 2 - anchor[0], image.height / 2 - anchor[1]);
+        }
       }
 
       const bb = this.csAddBillboard(billboards, bbOptions, layer, feature, olGeometry, style);