diff --git a/dist/index.js b/dist/index.js
index aff221f87..01dfa96ba 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -311,6 +311,9 @@ function createPullRequest(inputs) {
     return __awaiter(this, void 0, void 0, function* () {
         let gitAuthHelper;
         try {
+            if (!inputs.token) {
+                throw new Error(`Input 'token' not supplied. Unable to continue.`);
+            }
             // Get the repository path
             const repoPath = utils.getRepoPath(inputs.path);
             // Create a git command manager
diff --git a/src/create-pull-request.ts b/src/create-pull-request.ts
index 1e42c1f5a..3fa3ec218 100644
--- a/src/create-pull-request.ts
+++ b/src/create-pull-request.ts
@@ -35,6 +35,10 @@ export interface Inputs {
 export async function createPullRequest(inputs: Inputs): Promise<void> {
   let gitAuthHelper
   try {
+    if (!inputs.token) {
+      throw new Error(`Input 'token' not supplied. Unable to continue.`)
+    }
+
     // Get the repository path
     const repoPath = utils.getRepoPath(inputs.path)
     // Create a git command manager