diff --git a/llvm/lib/Support/AllocToken.cpp b/llvm/lib/Support/AllocToken.cpp
index 8e9e89f0df353..daa40d4e9dcc6 100644
--- a/llvm/lib/Support/AllocToken.cpp
+++ b/llvm/lib/Support/AllocToken.cpp
@@ -24,6 +24,7 @@ llvm::getAllocTokenModeFromString(StringRef Name) {
       .Case("random", AllocTokenMode::Random)
       .Case("typehash", AllocTokenMode::TypeHash)
       .Case("typehashpointersplit", AllocTokenMode::TypeHashPointerSplit)
+      .Case("default", DefaultAllocTokenMode)
       .Default(std::nullopt);
 }