diff --git a/ofl/cactusclassicalserif/METADATA.pb b/ofl/cactusclassicalserif/METADATA.pb
index 183344a5257..1884e22778a 100644
--- a/ofl/cactusclassicalserif/METADATA.pb
+++ b/ofl/cactusclassicalserif/METADATA.pb
@@ -32,4 +32,5 @@ source {
   branch: "main"
 }
 primary_script: "Hant"
+primary_language: "yue_Hant"
 stroke: "SERIF"
diff --git a/ofl/chocolateclassicalsans/METADATA.pb b/ofl/chocolateclassicalsans/METADATA.pb
index ed4d2340ff4..ce59ad1af60 100644
--- a/ofl/chocolateclassicalsans/METADATA.pb
+++ b/ofl/chocolateclassicalsans/METADATA.pb
@@ -32,4 +32,5 @@ source {
   branch: "main"
 }
 primary_script: "Hant"
+primary_language: "yue_Hant"
 stroke: "SANS_SERIF"
diff --git a/ofl/lxgwwenkaimonotc/METADATA.pb b/ofl/lxgwwenkaimonotc/METADATA.pb
index 97242399c40..4b6d445bb68 100644
--- a/ofl/lxgwwenkaimonotc/METADATA.pb
+++ b/ofl/lxgwwenkaimonotc/METADATA.pb
@@ -62,4 +62,5 @@ source {
   branch: "main"
 }
 primary_script: "Hant"
+primary_language: "zh_Hant"
 classifications: "MONOSPACE"
diff --git a/ofl/lxgwwenkaitc/METADATA.pb b/ofl/lxgwwenkaitc/METADATA.pb
index 3b9439ab9e9..a0893dd2532 100644
--- a/ofl/lxgwwenkaitc/METADATA.pb
+++ b/ofl/lxgwwenkaitc/METADATA.pb
@@ -62,4 +62,5 @@ source {
   branch: "main"
 }
 primary_script: "Hant"
+primary_language: "zh_Hant"
 classifications: "HANDWRITING"