diff --git a/Jellyfin.Plugin.SRFPlay/Controllers/StreamProxyController.cs b/Jellyfin.Plugin.SRFPlay/Controllers/StreamProxyController.cs
index 03e1aea..d4b7df4 100644
--- a/Jellyfin.Plugin.SRFPlay/Controllers/StreamProxyController.cs
+++ b/Jellyfin.Plugin.SRFPlay/Controllers/StreamProxyController.cs
@@ -183,7 +183,8 @@ public class StreamProxyController : ControllerBase
         try
         {
             // Fetch the variant manifest as a segment
-            var manifestData = await _proxyService.GetSegmentAsync(actualItemId, fullPath, cancellationToken).ConfigureAwait(false);
+            var queryString = Request.QueryString.HasValue ? Request.QueryString.Value : null;
+            var manifestData = await _proxyService.GetSegmentAsync(actualItemId, fullPath, queryString, cancellationToken).ConfigureAwait(false);
 
             if (manifestData == null)
             {
@@ -234,7 +235,9 @@ public class StreamProxyController : ControllerBase
 
         try
         {
-            var segmentData = await _proxyService.GetSegmentAsync(actualItemId, segmentPath, cancellationToken).ConfigureAwait(false);
+            // Pass the original query string to preserve segment-specific parameters (e.g., ?m=timestamp)
+            var queryString = Request.QueryString.HasValue ? Request.QueryString.Value : null;
+            var segmentData = await _proxyService.GetSegmentAsync(actualItemId, segmentPath, queryString, cancellationToken).ConfigureAwait(false);
 
             if (segmentData == null)
             {
diff --git a/Jellyfin.Plugin.SRFPlay/Services/Interfaces/IStreamProxyService.cs b/Jellyfin.Plugin.SRFPlay/Services/Interfaces/IStreamProxyService.cs
index b3e7346..9ad0702 100644
--- a/Jellyfin.Plugin.SRFPlay/Services/Interfaces/IStreamProxyService.cs
+++ b/Jellyfin.Plugin.SRFPlay/Services/Interfaces/IStreamProxyService.cs
@@ -56,9 +56,10 @@ public interface IStreamProxyService
     /// </summary>
     /// <param name="itemId">The item ID.</param>
     /// <param name="segmentPath">The segment path.</param>
+    /// <param name="queryString">The original query string from the request (preserves segment-specific parameters like timestamps).</param>
     /// <param name="cancellationToken">Cancellation token.</param>
     /// <returns>The segment content as bytes.</returns>
-    Task<byte[]?> GetSegmentAsync(string itemId, string segmentPath, CancellationToken cancellationToken = default);
+    Task<byte[]?> GetSegmentAsync(string itemId, string segmentPath, string? queryString = null, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// Cleans up old and expired stream mappings.
diff --git a/Jellyfin.Plugin.SRFPlay/Services/StreamProxyService.cs b/Jellyfin.Plugin.SRFPlay/Services/StreamProxyService.cs
index 1f3e2ce..1204a11 100644
--- a/Jellyfin.Plugin.SRFPlay/Services/StreamProxyService.cs
+++ b/Jellyfin.Plugin.SRFPlay/Services/StreamProxyService.cs
@@ -701,11 +701,13 @@ public class StreamProxyService : IStreamProxyService
     /// </summary>
     /// <param name="itemId">The item ID.</param>
     /// <param name="segmentPath">The segment path.</param>
+    /// <param name="queryString">The original query string from the request (preserves segment-specific parameters like timestamps).</param>
     /// <param name="cancellationToken">Cancellation token.</param>
     /// <returns>The segment content as bytes.</returns>
     public async Task<byte[]?> GetSegmentAsync(
         string itemId,
         string segmentPath,
+        string? queryString = null,
         CancellationToken cancellationToken = default)
     {
         var authenticatedUrl = await GetAuthenticatedUrlAsync(itemId, cancellationToken).ConfigureAwait(false);
@@ -720,17 +722,29 @@ public class StreamProxyService : IStreamProxyService
             var baseUri = new Uri(authenticatedUrl);
             var baseUrl = $"{baseUri.Scheme}://{baseUri.Host}{string.Join('/', baseUri.AbsolutePath.Split('/')[..^1])}";
 
-            // Extract query parameters (auth tokens) from authenticated URL
-            var queryParams = baseUri.Query;
+            // Use the original query string from the request (preserves segment-specific params like ?m=timestamp)
+            // If no query string is provided, check if we need to add auth params from the master manifest
+            var queryParams = string.Empty;
+            if (!string.IsNullOrEmpty(queryString))
+            {
+                // Use the original query string from the segment request
+                queryParams = queryString.StartsWith('?') ? queryString : $"?{queryString}";
+            }
+            else if (!segmentPath.Contains("hdntl=", StringComparison.OrdinalIgnoreCase))
+            {
+                // Only append master manifest query params if segment doesn't have path-based auth
+                queryParams = baseUri.Query;
+            }
 
             // Build full segment URL
             var segmentUrl = $"{baseUrl}/{segmentPath}{queryParams}";
 
             _logger.LogDebug(
-                "Fetching segment - BaseUri: {BaseUri}, BaseUrl: {BaseUrl}, SegmentPath: {SegmentPath}, FullUrl: {FullUrl}",
+                "Fetching segment - BaseUri: {BaseUri}, BaseUrl: {BaseUrl}, SegmentPath: {SegmentPath}, QueryString: {QueryString}, FullUrl: {FullUrl}",
                 authenticatedUrl,
                 baseUrl,
                 segmentPath,
+                queryString ?? "(none)",
                 segmentUrl);
             using var httpClient = _httpClientFactory.CreateClient(NamedClient.Default);
             var segmentData = await httpClient.GetByteArrayAsync(segmentUrl, cancellationToken).ConfigureAwait(false);