diff --git a/create-attributable-archive.sh b/create-attributable-archive.sh
index 05bd9d4..951b2c2 100755
--- a/create-attributable-archive.sh
+++ b/create-attributable-archive.sh
@@ -283,7 +283,7 @@ read -r -s attribution_passphrase_check
 printf '\n'
 
 printf 'Auditing attribution passphrase...\n'
-ret=$(audit_passphrase "$attribution_passphrase" "$attribution_passphrase_check")
+audit_passphrase "$attribution_passphrase" "$attribution_passphrase_check"
 echo "$ret"
 
 printf 'Unsetting attribution_passphrase_check...\n'