diff --git a/Changelog.md b/Changelog.md
index 2ec56f40..3cdaf070 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -14,6 +14,12 @@ v2.4x.0 (not published yet)
 -->
 
 
+v2.39.1 (2024-05-13)
+====================
+
+- SvtAv1EncApp: Fix not showing "--frame-luma-bias" parameter ([#1356](/../../issues/1356))
+
+
 v2.39.0 (2024-05-12)
 ====================
 
diff --git a/Source/Encoding/SvtAv1Enc.vb b/Source/Encoding/SvtAv1Enc.vb
index 65117852..fa330e6c 100644
--- a/Source/Encoding/SvtAv1Enc.vb
+++ b/Source/Encoding/SvtAv1Enc.vb
@@ -1147,7 +1147,7 @@ Public Class SvtAv1EncParams
                 )
                 If Package.SvtAv1EncAppType = SvtAv1EncAppType.Psy Then
                     Add("PSY",
-                        PsyDolbyVisionRpu, PsyVarianceBoostStrength, PsyVarianceOctile, PsyEnableAltCurve, PsySharpness, PsyQpScaleCompressStrength
+                        PsyDolbyVisionRpu, PsyVarianceBoostStrength, PsyVarianceOctile, PsyEnableAltCurve, PsySharpness, PsyQpScaleCompressStrength, PsyFrameLumaBias
                     )
                 End If