diff --git a/overlays/testing.nix b/overlays/testing.nix
index f3ad900e..75dfb97b 100644
--- a/overlays/testing.nix
+++ b/overlays/testing.nix
@@ -17,7 +17,7 @@ let
         rm
         (\logFile -> do
           say [i|Trying to build ${name} config for #{hostname}. Logging to #{logFile}.|]
-          onException (command &!> StdOut &> Append logFile) (say [i|Buildfailure for ${name} config for #{hostname}|] >> cat logFile))
+          onException (command &!> StdOut &> Append logFile) (say [i|### Build failure for ${name} config for #{hostname} ###|] >> cat logFile))
       say [i|Build of ${name} config for #{hostname} was successful.|]
   '';
 in {