diff --git a/lib/Target/X86/CMakeLists.txt b/lib/Target/X86/CMakeLists.txt
index e62dfca491d..036dbcda214 100644
--- a/lib/Target/X86/CMakeLists.txt
+++ b/lib/Target/X86/CMakeLists.txt
@@ -47,7 +47,7 @@ if( CMAKE_CL_64 )
     MAIN_DEPENDENCY X86CompilationCallback_Win64.asm
     COMMAND ${CMAKE_ASM_MASM_COMPILER} /Fo ${CMAKE_CURRENT_BINARY_DIR}/X86CompilationCallback_Win64.obj /c ${CMAKE_CURRENT_SOURCE_DIR}/X86CompilationCallback_Win64.asm
    )
-   set(sources ${sources} X86CompilationCallback_Win64.asm)
+   set(sources ${sources} ${CMAKE_CURRENT_BINARY_DIR}/X86CompilationCallback_Win64.obj)
 endif()
 
 add_llvm_target(X86CodeGen ${sources})