diff --git a/mediapipe/tasks/ios/vision/object_detector/sources/MPPObjectDetector.h b/mediapipe/tasks/ios/vision/object_detector/sources/MPPObjectDetector.h
index d3f946bbe..f8cfcc916 100644
--- a/mediapipe/tasks/ios/vision/object_detector/sources/MPPObjectDetector.h
+++ b/mediapipe/tasks/ios/vision/object_detector/sources/MPPObjectDetector.h
@@ -80,7 +80,7 @@ NS_SWIFT_NAME(ObjectDetector)
  * Creates a new instance of `MPPObjectDetector` from the given `MPPObjectDetectorOptions`.
  *
  * @param options The options of type `MPPObjectDetectorOptions` to use for configuring the
- * `MPPImageClassifMPPObjectDetectorier`.
+ * `MPPObjectDetector`.
  * @param error An optional error parameter populated when there is an error in initializing the
  * object detector.
  *
@@ -96,7 +96,7 @@ NS_SWIFT_NAME(ObjectDetector)
  * `MPPImage`. Only use this method when the `MPPObjectDetector` is created with
  * `MPPRunningModeImage`.
  *
- * This method supports classification of RGBA images. If your `MPPImage` has a source type of
+ * This method supports detecting objects in RGBA images. If your `MPPImage` has a source type of
  * `MPPImageSourceTypePixelBuffer` or `MPPImageSourceTypeSampleBuffer`, the underlying pixel buffer
  * must have one of the following pixel format types:
  * 1. kCVPixelFormatType_32BGRA
@@ -123,7 +123,7 @@ NS_SWIFT_NAME(ObjectDetector)
  * the provided `MPPImage`. Only use this method when the `MPPObjectDetector` is created with
  * `MPPRunningModeVideo`.
  *
- * This method supports classification of RGBA images. If your `MPPImage` has a source type of
+ * This method supports detecting objects in of RGBA images. If your `MPPImage` has a source type of
  * `MPPImageSourceTypePixelBuffer` or `MPPImageSourceTypeSampleBuffer`, the underlying pixel buffer
  * must have one of the following pixel format types:
  * 1. kCVPixelFormatType_32BGRA
@@ -161,7 +161,7 @@ NS_SWIFT_NAME(ObjectDetector)
  * It's required to provide a timestamp (in milliseconds) to indicate when the input image is sent
  * to the object detector. The input timestamps must be monotonically increasing.
  *
- * This method supports classification of RGBA images. If your `MPPImage` has a source type of
+ * This method supports detecting objects in RGBA images. If your `MPPImage` has a source type of
  * `MPPImageSourceTypePixelBuffer` or `MPPImageSourceTypeSampleBuffer`, the underlying pixel buffer
  * must have one of the following pixel format types:
  * 1. kCVPixelFormatType_32BGRA
@@ -170,8 +170,8 @@ NS_SWIFT_NAME(ObjectDetector)
  * If the input `MPPImage` has a source type of `MPPImageSourceTypeImage` ensure that the color
  * space is RGB with an Alpha channel.
  *
- * If this method is used for classifying live camera frames using `AVFoundation`, ensure that you
- * request `AVCaptureVideoDataOutput` to output frames in `kCMPixelFormat_32RGBA` using its
+ * If this method is used for detecting objects in live camera frames using `AVFoundation`, ensure
+ * that you request `AVCaptureVideoDataOutput` to output frames in `kCMPixelFormat_32RGBA` using its
  * `videoSettings` property.
  *
  * @param image A live stream image data of type `MPPImage` on which object detection is to be
diff --git a/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorResult+Helpers.mm b/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorResult+Helpers.mm
index b2f9cfc08..3a8a72f71 100644
--- a/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorResult+Helpers.mm
+++ b/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorResult+Helpers.mm
@@ -25,8 +25,12 @@ using ::mediapipe::Packet;
 
 + (nullable MPPObjectDetectorResult *)objectDetectorResultWithDetectionsPacket:
     (const Packet &)packet {
+
+  NSInteger timestampInMilliseconds = (NSInteger)(packet.Timestamp().Value() /
+                                                                      kMicroSecondsPerMilliSecond);
   if (!packet.ValidateAsType<std::vector<DetectionProto>>().ok()) {
-    return nil;
+    return [[MPPObjectDetectorResult alloc] initWithDetections:@[]
+                                  timestampInMilliseconds:timestampInMilliseconds];
   }
 
   const std::vector<DetectionProto> &detectionProtos = packet.Get<std::vector<DetectionProto>>();
@@ -39,8 +43,7 @@ using ::mediapipe::Packet;
 
   return
       [[MPPObjectDetectorResult alloc] initWithDetections:detections
-                                  timestampInMilliseconds:(NSInteger)(packet.Timestamp().Value() /
-                                                                      kMicroSecondsPerMilliSecond)];
+                                  timestampInMilliseconds:timestampInMilliseconds];
 }
 
 @end