diff --git a/pkg/core/core.go b/pkg/core/core.go
index 06cb815..b02fc93 100644
--- a/pkg/core/core.go
+++ b/pkg/core/core.go
@@ -33,7 +33,7 @@ type Core struct {
 	context       context.Context
 	cancel        context.CancelFunc
 	taskIDCounter atomic.Uint64
-	waitgroup     sync.WaitGroup
+	waitGroup     sync.WaitGroup
 	shutdown      atomic.Bool
 }
 
diff --git a/pkg/core/runtime.go b/pkg/core/runtime.go
index 89c296e..627c52d 100644
--- a/pkg/core/runtime.go
+++ b/pkg/core/runtime.go
@@ -60,7 +60,7 @@ func (c *Core) ServiceShutdown(ctx context.Context) Result {
 	// Drain background tasks before stopping services.
 	done := make(chan struct{})
 	go func() {
-		c.waitgroup.Wait()
+		c.waitGroup.Wait()
 		close(done)
 	}()
 	select {
diff --git a/pkg/core/task.go b/pkg/core/task.go
index ed4859c..8e67ba7 100644
--- a/pkg/core/task.go
+++ b/pkg/core/task.go
@@ -28,7 +28,7 @@ func (c *Core) PerformAsync(t Task) Result {
 		tid.SetTaskIdentifier(taskID)
 	}
 	c.ACTION(ActionTaskStarted{TaskIdentifier: taskID, Task: t})
-	c.waitgroup.Go(func() {
+	c.waitGroup.Go(func() {
 		defer func() {
 			if rec := recover(); rec != nil {
 				err := E("core.PerformAsync", Sprint("panic: ", rec), nil)