diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 31fb9aee9..454472b61 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -75,6 +75,7 @@
     <PreferenceCategory android:title="@string/other">
         <ListPreference android:title="@string/cache_downloaded"
             android:key="keepCacheFor"
+            android:defaultValue="86400"
             android:entries="@array/keepCacheNames"
             android:entryValues="@array/keepCacheValues" />
         <CheckBoxPreference android:title="@string/expert"