diff --git a/llvm/lib/VMCore/CMakeLists.txt b/llvm/lib/VMCore/CMakeLists.txt
index c0d5144a5137..a1f7ab1735d5 100644
--- a/llvm/lib/VMCore/CMakeLists.txt
+++ b/llvm/lib/VMCore/CMakeLists.txt
@@ -14,6 +14,7 @@ add_llvm_library(LLVMCore
   Instructions.cpp
   IntrinsicInst.cpp
   LLVMContext.cpp
+  LLVMContextImpl.cpp
   LeakDetector.cpp
   Mangler.cpp
   Module.cpp