diff --git a/.github/workflows/download.yml b/.github/workflows/download.yml
index 8da78cc4..4898f9d8 100644
--- a/.github/workflows/download.yml
+++ b/.github/workflows/download.yml
@@ -103,9 +103,10 @@ jobs:
           skip_unpack: true
       - name: Test
         run: |
-          test -f artifact.zip
-          ! test -d artifact
-          unzip -l artifact.zip
+          test -d artifact
+          test -f artifact/artifact.zip
+          ! test -f artifact.zip
+          unzip -l artifact/artifact.zip
   download-dry-run-exists:
     runs-on: ubuntu-latest
     needs: wait
diff --git a/main.js b/main.js
index f6ceb92d..280abb2b 100644
--- a/main.js
+++ b/main.js
@@ -36,6 +36,22 @@ async function main() {
         core.info(`==> Repository: ${owner}/${repo}`)
         core.info(`==> Workflow conclusion: ${workflowConclusion}`)
 
+        const uniqueInputSets = [
+            {
+                "pr": pr,
+                "commit": commit,
+                "branch": branch,
+                "run_id": runID
+            }
+        ]
+        uniqueInputSets.forEach((inputSet) => {
+            const inputs = Object.values(inputSet)
+            const providedInputs = inputs.filter(input => input !== '')
+            if (providedInputs.length > 1) {
+                throw new Error(`The following inputs cannot be used together: ${Object.keys(inputSet).join(", ")}`)
+            }
+        })
+
         if (pr) {
             core.info(`==> PR: ${pr}`)
             const pull = await client.pulls.get({
@@ -174,15 +190,14 @@ async function main() {
                 archive_format: "zip",
             })
 
+            const dir = name ? path : pathname.join(path, artifact.name)
+            fs.mkdirSync(dir, { recursive: true })
+
             if (skipUnpack) {
-                fs.writeFileSync(`${artifact.name}.zip`, Buffer.from(zip.data), 'binary')
+                fs.writeFileSync(`${pathname.join(path, artifact.name)}.zip`, Buffer.from(zip.data), 'binary')
                 continue
             }
 
-            const dir = name ? path : pathname.join(path, artifact.name)
-
-            fs.mkdirSync(dir, { recursive: true })
-
             const adm = new AdmZip(Buffer.from(zip.data))
 
             core.startGroup(`==> Extracting: ${artifact.name}.zip`)