diff --git a/src/ol/renderer/canvas/canvasvectorlayerrenderer.js b/src/ol/renderer/canvas/canvasvectorlayerrenderer.js
index 5b9ed6c49a..ba4c2b218e 100644
--- a/src/ol/renderer/canvas/canvasvectorlayerrenderer.js
+++ b/src/ol/renderer/canvas/canvasvectorlayerrenderer.js
@@ -213,10 +213,10 @@ ol.renderer.canvas.VectorLayer.prototype.getFeatureInfoForPixel =
     var cachedTile = this.tileCache_.get(key);
     var symbolSizes = cachedTile[1];
     var maxSymbolSize = cachedTile[2];
-    var hw = maxSymbolSize[0] / 2;
-    var hh = maxSymbolSize[1] / 2;
-    var locationMin = [location[0] - hw, location[1] - hh];
-    var locationMax = [location[0] + hw, location[1] + hh];
+    var halfMaxWidth = maxSymbolSize[0] / 2;
+    var halfMaxHeight = maxSymbolSize[1] / 2;
+    var locationMin = [location[0] - halfMaxWidth, location[1] - halfMaxHeight];
+    var locationMax = [location[0] + halfMaxWidth, location[1] + halfMaxHeight];
     var locationBbox = ol.extent.boundingExtent([locationMin, locationMax]);
     var filter = new ol.filter.Extent(locationBbox);
     var candidates = this.getLayer().getFeatures(filter);