diff --git a/features/float16array.yml b/features/float16array.yml
index b1d141aae94..6b00b6f327a 100644
--- a/features/float16array.yml
+++ b/features/float16array.yml
@@ -6,4 +6,5 @@ compat_features:
   - javascript.builtins.DataView.getFloat16
   - javascript.builtins.DataView.setFloat16
   - javascript.builtins.Float16Array
+  - javascript.builtins.Float16Array.Float16Array
   - javascript.builtins.Math.f16round
diff --git a/features/float16array.yml.dist b/features/float16array.yml.dist
index ffdd4471c15..e5ea0b44cd0 100644
--- a/features/float16array.yml.dist
+++ b/features/float16array.yml.dist
@@ -10,4 +10,5 @@ compat_features:
   - javascript.builtins.DataView.getFloat16
   - javascript.builtins.DataView.setFloat16
   - javascript.builtins.Float16Array
+  - javascript.builtins.Float16Array.Float16Array
   - javascript.builtins.Math.f16round