diff --git a/.changelog/11741.txt b/.changelog/11741.txt
new file mode 100644
index 000000000000..1302fc2e3e39
--- /dev/null
+++ b/.changelog/11741.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+client: Fixed a memory and goroutine leak for batch tasks and any task that exits without being shut down from the server
+```
diff --git a/client/allocrunner/taskrunner/task_runner_hooks.go b/client/allocrunner/taskrunner/task_runner_hooks.go
index c9ff34441ed5..72a509e056c7 100644
--- a/client/allocrunner/taskrunner/task_runner_hooks.go
+++ b/client/allocrunner/taskrunner/task_runner_hooks.go
@@ -237,7 +237,9 @@ func (tr *TaskRunner) prestart() error {
 		// Run the prestart hook
 		// use a joint context to allow any blocking pre-start hooks
 		// to be canceled by either killCtx or shutdownCtx
-		joinedCtx, _ := joincontext.Join(tr.killCtx, tr.shutdownCtx)
+		joinedCtx, joinedCancel := joincontext.Join(tr.killCtx, tr.shutdownCtx)
+		defer joinedCancel()
+
 		var resp interfaces.TaskPrestartResponse
 		if err := pre.Prestart(joinedCtx, &req, &resp); err != nil {
 			tr.emitHookError(err, name)