diff --git a/app/render/videoparams.cpp b/app/render/videoparams.cpp
index 58442bcd3..77d785d24 100644
--- a/app/render/videoparams.cpp
+++ b/app/render/videoparams.cpp
@@ -164,6 +164,7 @@ bool VideoParams::operator==(const VideoParams &rhs) const
   return width() == rhs.width()
       && height() == rhs.height()
       && depth() == rhs.depth()
+      && interlacing() == rhs.interlacing()
       && time_base() == rhs.time_base()
       && format() == rhs.format()
       && pixel_aspect_ratio() == rhs.pixel_aspect_ratio()