diff --git a/updater_sample/tests/src/com/example/android/systemupdatersample/util/PayloadSpecsTest.java b/updater_sample/tests/src/com/example/android/systemupdatersample/util/PayloadSpecsTest.java
index 3ba84c11..03086930 100644
--- a/updater_sample/tests/src/com/example/android/systemupdatersample/util/PayloadSpecsTest.java
+++ b/updater_sample/tests/src/com/example/android/systemupdatersample/util/PayloadSpecsTest.java
@@ -65,7 +65,7 @@ public class PayloadSpecsTest {
         mTargetContext = InstrumentationRegistry.getTargetContext();
         mTestContext = InstrumentationRegistry.getContext();
 
-        mTestDir = mTargetContext.getFilesDir();
+        mTestDir = mTargetContext.getCacheDir();
         mPayloadSpecs = new PayloadSpecs();
     }