diff --git a/app/ghcup-gen/Validate.hs b/app/ghcup-gen/Validate.hs
index 0a7ef7e..fa8518b 100644
--- a/app/ghcup-gen/Validate.hs
+++ b/app/ghcup-gen/Validate.hs
@@ -274,5 +274,5 @@ validateTarballs (TarballFilter tool versionRegex) dls = do
       VRight Nothing -> pure ()
       VLeft  e -> do
         lift $ $(logError)
-          [i|Could not download (or verify hash) of #{dli}, Error was: #{e}|]
+          [i|Could not download (or verify hash) of #{dli}, Error was: #{prettyShow e}|]
         addError