diff --git a/clang/lib/Sema/CMakeLists.txt b/clang/lib/Sema/CMakeLists.txt
index 7a5973299f91..7d9ae621c93d 100644
--- a/clang/lib/Sema/CMakeLists.txt
+++ b/clang/lib/Sema/CMakeLists.txt
@@ -3,6 +3,7 @@ set(LLVM_LINK_COMPONENTS
   )
 
 if (MSVC)
+  set_source_files_properties(SemaDeclAttr.cpp PROPERTIES COMPILE_FLAGS /bigobj)
   set_source_files_properties(SemaExpr.cpp PROPERTIES COMPILE_FLAGS /bigobj)
 endif()