diff --git a/src/ol/source/TileImage.js b/src/ol/source/TileImage.js
index cf9623aaa3..c11ddd1660 100644
--- a/src/ol/source/TileImage.js
+++ b/src/ol/source/TileImage.js
@@ -332,7 +332,8 @@ class TileImage extends UrlTile {
       if (cache.containsKey(tileCoordKey)) {
         tile = cache.get(tileCoordKey);
       }
-      const key = this.getKey();
+      const key = this.getKey() +
+        (this.contextOptions_ ? '\n' + JSON.stringify(this.contextOptions_) : '');
       if (tile && tile.key == key) {
         return tile;
       } else {