diff --git a/__tests__/data/sbom.json b/__tests__/data/sbom.json
new file mode 100644
index 0000000..b99e92e
--- /dev/null
+++ b/__tests__/data/sbom.json
@@ -0,0 +1,41 @@
+{
+    "spdxVersion": "SPDX-2.3",
+    "dataLicense": "CC0-1.0",
+    "SPDXID": "SPDXRef-DOCUMENT",
+    "name": "./",
+    "documentNamespace": "https://anchore.com/syft/dir/80b363b6-87f4-4162-853f-60d402537d20",
+    "creationInfo": {
+      "licenseListVersion": "3.22",
+      "creators": [
+        "Organization: Anchore, Inc",
+        "Tool: syft-0.103.1"
+      ],
+      "created": "2024-01-31T18:22:50Z"
+    },
+    "packages": [
+      {
+        "name": "@ampproject/remapping",
+        "SPDXID": "SPDXRef-Package-npm--ampproject-remapping-5266573ba4f24a42",
+        "versionInfo": "2.2.1",
+        "supplier": "NOASSERTION",
+        "downloadLocation": "NOASSERTION",
+        "filesAnalyzed": false,
+        "sourceInfo": "acquired package info from installed node module manifest file: /yarn.lock",
+        "licenseConcluded": "NOASSERTION",
+        "licenseDeclared": "Apache-2.0",
+        "copyrightText": "NOASSERTION",
+        "externalRefs": [
+          {
+            "referenceCategory": "SECURITY",
+            "referenceType": "cpe23Type",
+            "referenceLocator": "cpe:2.3:a:\\@ampproject\\/remapping:\\@ampproject\\/remapping:2.2.1:*:*:*:*:*:*:*"
+          },
+          {
+            "referenceCategory": "PACKAGE-MANAGER",
+            "referenceType": "purl",
+            "referenceLocator": "pkg:npm/%40ampproject/remapping@2.2.1"
+          }
+        ]
+      }
+    ]
+}
\ No newline at end of file
diff --git a/action.yml b/action.yml
index e967668..97491e6 100644
--- a/action.yml
+++ b/action.yml
@@ -55,9 +55,11 @@ runs:
   using: 'composite'
   steps:   
     - name: Generate random SBOM output file name
+      if: ${{ inputs.sbom-path == '' }}
       run: echo "SBOM_FILENAME=${{ runner.temp }}/sbom_$(openssl rand -hex 6).json" >> $GITHUB_ENV
       shell: bash
     - name: SBOM format check
+      if: ${{ inputs.sbom-path == '' }}
       run: |
         if [ "${{inputs.format}}" != "spdx-json" ] && [ "${{inputs.format}}" != "cyclonedx-json" ] && [ "${{inputs.format}}" != "spdx" ] && [ "${{inputs.format}}" != "cyclonedx" ] ]; then
           echo "Invalid SBOM format. Supported formats are spdx-json, cyclonedx-json, spdx, cyclonedx"
@@ -71,7 +73,7 @@ runs:
         fi
       shell: bash
     - name: Generate SBOM
-      if: github.event.inputs.sbom-path == ''
+      if: ${{ inputs.sbom-path == '' }}
       uses: anchore/sbom-action@v0
       with:
         path: ${{inputs.path}}