diff --git a/lib/execute.d.ts b/lib/execute.d.ts
index c60948013d..adf2c1f385 100644
--- a/lib/execute.d.ts
+++ b/lib/execute.d.ts
@@ -2,6 +2,7 @@
 type ExecuteOutput = {
     stdout: string;
     stderr: string;
+    exitCode: number;
 };
 /** Wrapper around the GitHub toolkit exec command which returns the output.
  * Also allows you to easily toggle the current working directory.
diff --git a/lib/execute.js b/lib/execute.js
index 2e0ff4c529..3fb82cbfe1 100644
--- a/lib/execute.js
+++ b/lib/execute.js
@@ -15,7 +15,7 @@ Object.defineProperty(exports, "__esModule", { value: true });
 exports.stderr = exports.stdout = exports.execute = void 0;
 const exec_1 = require("@actions/exec");
 const buffer_1 = __importDefault(require("buffer"));
-const output = { stdout: '', stderr: '' };
+const output = { stdout: '', stderr: '', exitCode: 0 };
 /** Wrapper around the GitHub toolkit exec command which returns the output.
  * Also allows you to easily toggle the current working directory.
  *
@@ -29,11 +29,18 @@ function execute(cmd_1, cwd_1, silent_1) {
     return __awaiter(this, arguments, void 0, function* (cmd, cwd, silent, ignoreReturnCode = false) {
         output.stdout = '';
         output.stderr = '';
-        yield (0, exec_1.exec)(cmd, [], {
+        output.exitCode = yield (0, exec_1.exec)(cmd, [], {
             // Silences the input unless the INPUT_DEBUG flag is set.
             silent,
             cwd,
-            listeners: { stdout, stderr },
+            listeners: {
+                stdout: (data) => {
+                    stdout(data);
+                },
+                stderr: (data) => {
+                    stderr(data);
+                }
+            },
             ignoreReturnCode
         });
         return Promise.resolve(output);
diff --git a/lib/worktree.js b/lib/worktree.js
index f315eca410..dffa425ed1 100644
--- a/lib/worktree.js
+++ b/lib/worktree.js
@@ -40,6 +40,12 @@ function generateWorktree(action, worktreedir, branchExists) {
             if (branchExists) {
                 yield (0, execute_1.execute)(`git fetch --no-recurse-submodules --depth=1 origin ${action.branch}`, action.workspace, action.silent);
             }
+            // Check if the worktree already exists
+            const { exitCode } = yield (0, execute_1.execute)(`git worktree list | grep ${worktreedir}`, action.workspace, action.silent);
+            // If the worktree exists, remove it
+            if (exitCode === 0) {
+                yield (0, execute_1.execute)(`git worktree remove ${worktreedir}`, action.workspace, action.silent);
+            }
             yield (0, execute_1.execute)(`git worktree add --no-checkout --detach ${worktreedir}`, action.workspace, action.silent);
             const checkout = new GitCheckout(action.branch);
             if (branchExists) {