diff --git a/test/spec/ol/tilerange.test.js b/test/spec/ol/tilerange.test.js
index 671d867df2..2f6f1f3d71 100644
--- a/test/spec/ol/tilerange.test.js
+++ b/test/spec/ol/tilerange.test.js
@@ -63,6 +63,7 @@ describe('ol.TileRange', function() {
         var tileRange = new ol.TileRange.boundingTileRange(
             new ol.TileCoord(3, 1, 3),
             new ol.TileCoord(4, 2, 0));
+        tileRange = tileRange; // suppress gjslint warning about unused variable
       }).to.throwException();
     });
   });