diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 53db022..7218acd 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -26,7 +26,7 @@ jobs:
       - name : Build
         env:
           PICO_SDK_PATH: ../pico-sdk
-          SECURE_BOOT_PKEY: private.pem
+          SECURE_BOOT_PKEY: ../private.pem
         run: |
            ./workflows/autobuild.sh pico
            ./build_pico_fido2.sh