diff --git a/test/unit/org/openstreetmap/josm/data/cache/JCSCachedTileLoaderJobTest.java b/test/unit/org/openstreetmap/josm/data/cache/JCSCachedTileLoaderJobTest.java
index a2026e6..1ee7a10 100644
--- a/test/unit/org/openstreetmap/josm/data/cache/JCSCachedTileLoaderJobTest.java
+++ b/test/unit/org/openstreetmap/josm/data/cache/JCSCachedTileLoaderJobTest.java
@@ -34,7 +34,7 @@ public class JCSCachedTileLoaderJobTest {
 
         @Override
         public String getCacheKey() {
-            return "cachekey";
+            return "cachekey" + url;
         }
 
         @Override