diff --git a/app/src/main/java/eu/faircode/email/DB.java b/app/src/main/java/eu/faircode/email/DB.java
index ee2390453c..5f8be1cedc 100644
--- a/app/src/main/java/eu/faircode/email/DB.java
+++ b/app/src/main/java/eu/faircode/email/DB.java
@@ -110,12 +110,14 @@ public abstract class DB extends RoomDatabase {
     @Override
     public void init(@NonNull DatabaseConfiguration configuration) {
         // https://www.sqlite.org/pragma.html#pragma_wal_autocheckpoint
-        File dbfile = configuration.context.getDatabasePath(DB_NAME);
-        if (dbfile.exists()) {
-            try (SQLiteDatabase db = SQLiteDatabase.openDatabase(dbfile.getPath(), null, SQLiteDatabase.OPEN_READWRITE)) {
-                Log.i("DB checkpoint=" + DB_CHECKPOINT);
-                try (Cursor cursor = db.rawQuery("PRAGMA wal_autocheckpoint=" + DB_CHECKPOINT + ";", null)) {
-                    cursor.moveToNext(); // required
+        if (BuildConfig.DEBUG) {
+            File dbfile = configuration.context.getDatabasePath(DB_NAME);
+            if (dbfile.exists()) {
+                try (SQLiteDatabase db = SQLiteDatabase.openDatabase(dbfile.getPath(), null, SQLiteDatabase.OPEN_READWRITE)) {
+                    Log.i("DB checkpoint=" + DB_CHECKPOINT);
+                    try (Cursor cursor = db.rawQuery("PRAGMA wal_autocheckpoint=" + DB_CHECKPOINT + ";", null)) {
+                        cursor.moveToNext(); // required
+                    }
                 }
             }
         }