1 files changed, 3 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceUpgrader.java b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceUpgrader.java
index 6392d0535..767f71bb6 100644
--- a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceUpgrader.java
+++ b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceUpgrader.java
@@ -32,6 +32,9 @@ public class PreferenceUpgrader {
     }
 
     private static void upgrade(int oldVersion) {
+        if (oldVersion == -1) {
+            return;
+        }
         if (oldVersion < 1070196) {
             // migrate episode cleanup value (unit changed from days to hours)
             int oldValueInDays = UserPreferences.getEpisodeCleanupValue();