diff --git a/.github/workflows/build-linux.yml b/.github/workflows/build-linux.yml
index 6507337da..451f56773 100644
--- a/.github/workflows/build-linux.yml
+++ b/.github/workflows/build-linux.yml
@@ -5,7 +5,7 @@ on:
     outputs:
       kernel-url:
         description: "URL of the built (and uploaded) Linux kernel"
-        value: ${{ jobs.build.upload-kernel.outputs.artifact-url }}
+        value: ${{ jobs.upload-kernel.outputs.artifact-url }}
 
 jobs:
   build:
diff --git a/.github/workflows/test-kernel.yml b/.github/workflows/test-kernel.yml
index 9a053dcd3..6fa35e31f 100644
--- a/.github/workflows/test-kernel.yml
+++ b/.github/workflows/test-kernel.yml
@@ -31,12 +31,17 @@ jobs:
           KERNEL_URL: ${{ needs.build-linux-kernel.outputs.kernel-url }}
           PYTHON: ${{ steps.py312.outputs.python-path }}
         run: |
+          # Yes, there appears to be no way to just retrieve the
+          # uploaded artifact. One can't use actions/download-artifact
+          # and provide any of the outputs of actions/upload-artifact.
+          # Neither is it possible to just download the thing directly,
+          # because contents are unconditionally zipped. Good. Lord.
           curl -L \
             -H "Accept: application/vnd.github+json" \
             -H "Authorization: Bearer ${GH_TOKEN}" \
             -H "X-GitHub-Api-Version: 2022-11-28" \
             -o linux-kernel.zip \
-            ${KERNEL_URL}
+            "${KERNEL_URL}"
           unzip linux-kernel.zip
           cat <<EOF > main.sh
             export PYTHON=${PYTHON}