diff --git a/RCTVideo.m b/RCTVideo.m
index 3c0fa291..5cf83d27 100644
--- a/RCTVideo.m
+++ b/RCTVideo.m
@@ -263,6 +263,13 @@ static NSString *const playbackBufferEmptyKeyPath = @"playbackBufferEmpty";
         if (isnan(duration)) {
           duration = 0.0;
         }
+          
+        NSObject *width = @"undefined";
+        NSObject *height = @"undefined";
+        if ([_playerItem.asset tracksWithMediaType:AVMediaTypeVideo].count > 0) {
+          width = [NSNumber numberWithFloat:[_playerItem.asset tracksWithMediaType:AVMediaTypeVideo][0].naturalSize.width];
+          height = [NSNumber numberWithFloat:[_playerItem.asset tracksWithMediaType:AVMediaTypeVideo][0].naturalSize.height];
+        }
 
         [_eventDispatcher sendInputEventWithName:@"onVideoLoad"
                                             body:@{@"duration": [NSNumber numberWithFloat:duration],
@@ -273,6 +280,10 @@ static NSString *const playbackBufferEmptyKeyPath = @"playbackBufferEmpty";
                                                    @"canPlaySlowReverse": [NSNumber numberWithBool:_playerItem.canPlaySlowReverse],
                                                    @"canStepBackward": [NSNumber numberWithBool:_playerItem.canStepBackward],
                                                    @"canStepForward": [NSNumber numberWithBool:_playerItem.canStepForward],
+                                                   @"naturalSize": @{
+                                                        @"width": width,
+                                                        @"height": height
+                                                        },
                                                    @"target": self.reactTag}];
 
         [self attachListeners];