diff --git a/cfg/per-class/classH1.cfg b/cfg/per-class/classH1.cfg
index 100f03dd5357de90d95b43254ee476ce1f9aef45..8b7a84f029d218369fbef6f13b163c84b1f0622c 100644
--- a/cfg/per-class/classH1.cfg
+++ b/cfg/per-class/classH1.cfg
@@ -16,10 +16,10 @@ WCGPPSCrQpScale               : 1.79        # Scale factor depending on capture
 CbQpOffset                          : 0
 CrQpOffset                          : 0
 SameCQPTablesForAllChroma           : 1
-QpInValCb                           : 10 23 32 42
-QpOutValCb                          : 10 24 32 37
+QpInValCb                           : 9 23 33 42
+QpOutValCb                          : 9 24 33 37
 
 CclmCollocatedChroma          : 1
 
 #======== HDR Metrics ============
-CalculateHdrMetrics           : 1           # Calculate HDR metrics for Class H1 (PQ) content
\ No newline at end of file
+CalculateHdrMetrics           : 1           # Calculate HDR metrics for Class H1 (PQ) content
diff --git a/cfg/per-class/classH2.cfg b/cfg/per-class/classH2.cfg
index d1ce1ab091779a8b5c2dae2e612550e759734e5c..c6b90bedd7ce854b09c744d7fb50f1e92188c68a 100644
--- a/cfg/per-class/classH2.cfg
+++ b/cfg/per-class/classH2.cfg
@@ -11,5 +11,5 @@ WCGPPSEnable                  : 0           # enable WCG Chroma scale
 CbQpOffset                          : 0
 CrQpOffset                          : 0
 SameCQPTablesForAllChroma           : 1
-QpInValCb                           : 10 23 32 42
-QpOutValCb                          : 10 24 32 37
+QpInValCb                           : 9 23 33 42
+QpOutValCb                          : 9 24 33 37