diff --git a/clang/CMakeLists.txt b/clang/CMakeLists.txt
index 7dadc5f6e917..5a5e34aacbeb 100644
--- a/clang/CMakeLists.txt
+++ b/clang/CMakeLists.txt
@@ -711,6 +711,7 @@ if (CLANG_ENABLE_BOOTSTRAP)
     CLANG_VERSION_MAJOR
     CLANG_VERSION_MINOR
     CLANG_VERSION_PATCHLEVEL
+    CLANG_VENDOR
     LLVM_VERSION_SUFFIX
     LLVM_BINUTILS_INCDIR
     CLANG_REPOSITORY_STRING