diff --git a/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java b/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java
index aac4094..331f85e 100644
--- a/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java
+++ b/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java
@@ -138,6 +138,7 @@
             final File filesDir = context.getFilesDir();
             if (filesDir == null) {
                 Log.e(TAG, "context.getFilesDir() returned null.");
+                return;
             }
             if (!FileUtils.deleteFilteredFiles(filesDir, new DictFilter(dictNamePrefix))) {
                 Log.e(TAG, "Cannot remove all existing dictionary files. filesDir: "