diff --git a/lib/worktree.js b/lib/worktree.js
index c89d1577e..a5f0468cb 100644
--- a/lib/worktree.js
+++ b/lib/worktree.js
@@ -50,7 +50,16 @@ 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);
             }
-            yield (0, execute_1.execute)(`git worktree add --no-checkout --detach ${worktreedir}`, action.workspace, action.silent);
+            // Check if the branch is already checked out in another worktree
+            try {
+                (0, child_process_1.execSync)(`git rev-parse --verify --quiet ${action.branch}`);
+                // If the command succeeds, the branch is already checked out
+                (0, core_1.info)(`Branch ${action.branch} is already checked out. Using existing worktree.`);
+            }
+            catch (error) {
+                // If the command fails, the branch is not checked out
+                yield (0, execute_1.execute)(`git worktree add --no-checkout --detach ${worktreedir}`, action.workspace, action.silent);
+            }
             const checkout = new GitCheckout(action.branch);
             if (branchExists) {
                 // There's existing data on the branch to check out