diff --git a/app/src/main/java/eu/faircode/email/Helper.java b/app/src/main/java/eu/faircode/email/Helper.java
index 568f389e4f..a98b286bb4 100644
--- a/app/src/main/java/eu/faircode/email/Helper.java
+++ b/app/src/main/java/eu/faircode/email/Helper.java
@@ -296,7 +296,7 @@ public class Helper {
             // java.lang.OutOfMemoryError: pthread_create (1040KB stack) failed: Try again
             // 1040 KB native stack size / 32 KB thread stack size ~ 32 threads
             int processors = Runtime.getRuntime().availableProcessors(); // Modern devices: 8
-            threads = processors * 2;
+            threads = Math.max(8, processors * 2);
         }
 
         if (threads == 0)