diff --git a/unittests/Driver/CMakeLists.txt b/unittests/Driver/CMakeLists.txt
index b9c52f7a53f9b99a28c87f2b87040188632f8fc0..a4f75d26f660373e998917ddc7fa9f555ac1166b 100644
--- a/unittests/Driver/CMakeLists.txt
+++ b/unittests/Driver/CMakeLists.txt
@@ -1,5 +1,6 @@
 set(LLVM_LINK_COMPONENTS
   Support
+  Option
   )
 
 add_clang_unittest(ClangDriverTests