diff --git a/src/libs/services/transcoding/impl/TranscodingService.cpp b/src/libs/services/transcoding/impl/TranscodingService.cpp
index 1599d3a1..09270a19 100644
--- a/src/libs/services/transcoding/impl/TranscodingService.cpp
+++ b/src/libs/services/transcoding/impl/TranscodingService.cpp
@@ -38,7 +38,7 @@ namespace lms::transcoding
 
         std::size_t doEstimateContentLength(std::size_t bitrate, std::chrono::milliseconds duration)
         {
-            const std::size_t estimatedContentLength{ (bitrate / 8 * duration.count()) / 1000 };
+            const std::size_t estimatedContentLength{ static_cast<size_t>((bitrate / 8 * duration.count()) / 1000) };
             return estimatedContentLength;
         }
     } // namespace