diff --git a/android/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java b/android/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java
index 4c8278b42c..d9fc534be0 100644
--- a/android/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java
+++ b/android/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java
@@ -703,7 +703,7 @@ private void initializePlayerSource(ReactExoplayerView self, DrmSessionManager d
         if (haveResumePosition) {
             player.seekTo(resumeWindow, resumePosition);
         }
-        if (startPositionMs > 0) {
+        if (startPositionMs >= 0) {
             player.setMediaSource(mediaSource, startPositionMs);
         } else {
             player.setMediaSource(mediaSource, !haveResumePosition);
diff --git a/docs/pages/component/props.md b/docs/pages/component/props.md
index d132d9d9ab..7b27244344 100644
--- a/docs/pages/component/props.md
+++ b/docs/pages/component/props.md
@@ -661,7 +661,7 @@ The following other types are supported on some platforms, but aren't fully docu
 #### Start playback at a specific point in time
 
 Provide an optional `startPosition` for video. Value is in milliseconds. If the `cropStart` prop is applied, it will be applied from that point forward.
-(If it is zero or negative, it is ignored)
+(If it is negative or undefined or null, it is ignored)
 
 Platforms: Android, iOS
 
diff --git a/ios/Video/RCTVideo.swift b/ios/Video/RCTVideo.swift
index 1646904e0f..dfdde5c566 100644
--- a/ios/Video/RCTVideo.swift
+++ b/ios/Video/RCTVideo.swift
@@ -1183,7 +1183,7 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
             _pendingSeek = false
         }
 
-        if _startPosition > 0 {
+        if _startPosition >= 0 {
             setSeek([
                 "time": NSNumber(value: _startPosition),
                 "tolerance": NSNumber(value: 100)
diff --git a/src/Video.tsx b/src/Video.tsx
index 61441ed8c5..7f99651e7d 100644
--- a/src/Video.tsx
+++ b/src/Video.tsx
@@ -148,7 +148,7 @@ const Video = forwardRef<VideoRef, ReactVideoProps>(
         mainVer: resolvedSource.mainVer || 0,
         patchVer: resolvedSource.patchVer || 0,
         requestHeaders: resolvedSource.headers || {},
-        startPosition: resolvedSource.startPosition || -1,
+        startPosition: resolvedSource.startPosition ?? -1,
         cropStart: resolvedSource.cropStart || 0,
         cropEnd: resolvedSource.cropEnd,
         title: resolvedSource.title,