diff --git a/app/src/main/java/eu/faircode/email/DB.java b/app/src/main/java/eu/faircode/email/DB.java
index cf2cbf2872..062dea1604 100644
--- a/app/src/main/java/eu/faircode/email/DB.java
+++ b/app/src/main/java/eu/faircode/email/DB.java
@@ -107,7 +107,7 @@ public abstract class DB extends RoomDatabase {
 
     private static DB sInstance;
     private static final ExecutorService executor =
-            Helper.getBackgroundExecutor(4, "query"); // AndroidX default thread count
+            Helper.getBackgroundExecutor(2, "query"); // AndroidX default thread count: 4
 
     private static final String DB_NAME = "fairemail";
     private static final int DB_CHECKPOINT = 1000; // requery/sqlite-android default