diff --git a/clang/unittests/CodeGen/CMakeLists.txt b/clang/unittests/CodeGen/CMakeLists.txt
index a2a06dd78521..289a8c630dfd 100644
--- a/clang/unittests/CodeGen/CMakeLists.txt
+++ b/clang/unittests/CodeGen/CMakeLists.txt
@@ -12,5 +12,6 @@ target_link_libraries(ClangCodeGenTests
   clangBasic
   clangCodeGen
   clangFrontend
+  clangLex
   clangParse
   )