diff --git a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c
index 8e45f533cb..29fa4f9c3d 100644
--- a/libavcodec/libdav1d.c
+++ b/libavcodec/libdav1d.c
@@ -230,8 +230,8 @@ static av_cold int libdav1d_init(AVCodecContext *c)
     s.frame_size_limit = c->max_pixels;
     if (dav1d->apply_grain >= 0)
         s.apply_grain = dav1d->apply_grain;
-    else if (c->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN)
-        s.apply_grain = 0;
+    else
+        s.apply_grain = !(c->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN);
 
     s.all_layers = dav1d->all_layers;
     if (dav1d->operating_point >= 0)