diff --git a/test/src/org/fdroid/fdroid/updater/SignedRepoUpdaterTest.java b/test/src/org/fdroid/fdroid/updater/SignedRepoUpdaterTest.java
index 3f198a6e4..7a045379a 100644
--- a/test/src/org/fdroid/fdroid/updater/SignedRepoUpdaterTest.java
+++ b/test/src/org/fdroid/fdroid/updater/SignedRepoUpdaterTest.java
@@ -44,7 +44,8 @@ public class SignedRepoUpdaterTest extends InstrumentationTestCase {
         InputStream input = null;
         OutputStream output = null;
         try {
-            indexFile = File.createTempFile("index-", ".xml", context.getFilesDir());
+            indexFile = File.createTempFile("index-", ".xml",
+                    getInstrumentation().getTargetContext().getCacheDir());
             input = getInputStreamFromAssets(fileName);
             output = new FileOutputStream(indexFile);
             Utils.copy(input, output);