diff --git a/index.js b/index.js
index e2a2f35..9f2b0a7 100644
--- a/index.js
+++ b/index.js
@@ -31,10 +31,7 @@ module.exports.getGithubCommit = async (build, octokit) => {
 // subscribe is the main function called by GCF.
 module.exports.subscribe = async (event) => {
   try {
-    const token = process.env.GITHUB_TOKEN;
-    const octokit = token && new Octokit({
-      auth: `token ${token}`,
-    });
+    // Format data
     const build = module.exports.eventToBuild(event.data);
 
     // Skip if the current status is not in the status list.
@@ -43,9 +40,20 @@ module.exports.subscribe = async (event) => {
       return;
     }
 
-    const githubCommit = await module.exports.getGithubCommit(build, octokit);
+    // If specified get information from GitHub
+    const token = process.env.GITHUB_TOKEN;
+    let githubCommit = null;
+    if (token) {
+      const octokit = token && new Octokit({
+        auth: `token ${token}`,
+      });
 
+      githubCommit = await module.exports.getGithubCommit(build, octokit);
+    }
+
+    // Format final message
     const message = await module.exports.createSlackMessage(build, githubCommit);
+
     // Send message to slack.
     module.exports.webhook.send(message);
   } catch (err) {