diff --git a/subprojects/gst-plugins-bad/sys/decklink/gstdecklinkvideosink.cpp b/subprojects/gst-plugins-bad/sys/decklink/gstdecklinkvideosink.cpp
index ff659558e1..b6618f5767 100644
--- a/subprojects/gst-plugins-bad/sys/decklink/gstdecklinkvideosink.cpp
+++ b/subprojects/gst-plugins-bad/sys/decklink/gstdecklinkvideosink.cpp
@@ -434,7 +434,7 @@ public:
           case GST_VIDEO_TRANSFER_BT601:
           case GST_VIDEO_TRANSFER_BT709:
           case GST_VIDEO_TRANSFER_BT2020_10:
-            if (have_mastering_info && have_mastering_info)
+            if (have_mastering_info && have_light_level)
               *value = 1;
             else
               *value = 0;