diff --git a/cfg/per-class/classH1.cfg b/cfg/per-class/classH1.cfg
index 469f05808f06bf7aa5f07c9b2f371544d4cbe85d..8cf2b43f74ba8a85a2d2b8e71c06aebf7b4ed2d9 100644
--- a/cfg/per-class/classH1.cfg
+++ b/cfg/per-class/classH1.cfg
@@ -18,3 +18,5 @@ CrQpOffset                          : 0
 SameCQPTablesForAllChroma           : 1
 QpInValCb                           : 10 23 32 42
 QpOutValCb                          : 10 24 32 37
+
+CclmCollocatedChroma          : 1
\ No newline at end of file