diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index caa0c2f..28faa8c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -159,7 +159,7 @@ encrypt:
     - |
       echo 'DD0007338E2C43BD553D569377D9D93F96483723:6:' | gpg --import-ownertrust
     - echo "Encrypting hello-world.tar.gz..."
-    - printf '%s\n' "$[[ inputs.gpg_passphrase ]]" > passphrase.txt
+    - printf '%s' '$[[ inputs.gpg_passphrase ]]' > passphrase.txt
     - |
       gpg --batch --yes \
         --pinentry-mode loopback \