diff --git a/ouroboros-consensus-cardano-tools/test/Main.hs b/ouroboros-consensus-cardano-tools/test/Main.hs
index 927da81cbd..8e05af4a44 100644
--- a/ouroboros-consensus-cardano-tools/test/Main.hs
+++ b/ouroboros-consensus-cardano-tools/test/Main.hs
@@ -94,4 +94,4 @@ main = defaultMain tests
 -- cannot execute binary file: Exec format error
 -- ```
 --
--- 0
+-- 1