diff --git a/src/harness/fourslash.ts b/src/harness/fourslash.ts
index 089a2630dd8c6..9e117cdfd8fe9 100644
--- a/src/harness/fourslash.ts
+++ b/src/harness/fourslash.ts
@@ -4507,6 +4507,7 @@ namespace FourSlashInterface {
             typeEntry("Record"),
             typeEntry("Exclude"),
             typeEntry("Extract"),
+            typeEntry("Omit"),
             typeEntry("NonNullable"),
             typeEntry("Parameters"),
             typeEntry("ConstructorParameters"),