diff --git a/ping.go b/ping.go
index 14d73c6..5e0f20d 100644
--- a/ping.go
+++ b/ping.go
@@ -498,6 +498,7 @@ func (p *Pinger) run(ctx context.Context, conn packetConn) error {
 		select {
 		case <-ctx.Done():
 			p.Stop()
+			return ctx.Err()
 		case <-p.done:
 		}
 		return nil
diff --git a/ping_test.go b/ping_test.go
index 3e96611..c9a3bc2 100644
--- a/ping_test.go
+++ b/ping_test.go
@@ -801,7 +801,7 @@ func TestRunWithTimeoutContext(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
 	defer cancel()
 	err = pinger.run(ctx, conn)
-	AssertTrue(t, err == nil)
+	AssertTrue(t, errors.Is(err, context.DeadlineExceeded))
 	elapsedTime := time.Since(start)
 	AssertTrue(t, elapsedTime < 10*time.Second)