diff --git a/Jellyfin.Api/Controllers/SubtitleController.cs b/Jellyfin.Api/Controllers/SubtitleController.cs
index 1669a659dc5..b473574e0a4 100644
--- a/Jellyfin.Api/Controllers/SubtitleController.cs
+++ b/Jellyfin.Api/Controllers/SubtitleController.cs
@@ -196,7 +196,7 @@ public async Task<ActionResult> GetRemoteSubtitles([FromRoute, Required] string
         /// <param name="startPositionTicks">The start position of the subtitle in ticks.</param>
         /// <response code="200">File returned.</response>
         /// <returns>A <see cref="FileContentResult"/> with the subtitle file.</returns>
-        [HttpGet("Videos/{routeItemId}/routeMediaSourceId/Subtitles/{routeIndex}/Stream.{routeFormat}")]
+        [HttpGet("Videos/{routeItemId}/{routeMediaSourceId}/Subtitles/{routeIndex}/Stream.{routeFormat}")]
         [ProducesResponseType(StatusCodes.Status200OK)]
         [ProducesFile("text/*")]
         public async Task<ActionResult> GetSubtitle(