diff --git a/gui/src/main/java/io/bitsquare/gui/main/MainViewModel.java b/gui/src/main/java/io/bitsquare/gui/main/MainViewModel.java
index 1853417547..a28d74a6e4 100644
--- a/gui/src/main/java/io/bitsquare/gui/main/MainViewModel.java
+++ b/gui/src/main/java/io/bitsquare/gui/main/MainViewModel.java
@@ -494,7 +494,9 @@ public class MainViewModel implements ViewModel {
 
             }
         };
-        checkCryptoThread.start();
+        // Delay a bit the test, there was one bug report (Key length not 128//192/256 bits) where the crypto test failed. 
+        // TODO investigate
+        UserThread.runAfter(() -> checkCryptoThread.start(), 3);
     }