diff --git a/interpreter/CMakeLists.txt b/interpreter/CMakeLists.txt
index 2dc0c360d414b..0b25b2f2e4465 100644
--- a/interpreter/CMakeLists.txt
+++ b/interpreter/CMakeLists.txt
@@ -106,7 +106,6 @@ if(MSVC)
   # replace dashes in the -EH* and -GR* flags with slashes (/EH* /GR*)
   string(REPLACE " -EH" " /EH" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
   string(REPLACE " -GR" " /GR" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D CLANG_EXPORTS=1")
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ignore:4049,4206,4217,4221")
   set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /ignore:4049,4206,4217,4221")
   set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /ignore:4049,4206,4217,4221")
diff --git a/interpreter/cling/CMakeLists.txt b/interpreter/cling/CMakeLists.txt
index fe6c373c422a1..dec4bb4cfa125 100644
--- a/interpreter/cling/CMakeLists.txt
+++ b/interpreter/cling/CMakeLists.txt
@@ -242,7 +242,7 @@ endif()
 
 if(MSVC)
   add_definitions(/DNOMINMAX)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:preprocessor")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:preprocessor /D CLANG_EXPORTS=1")
 endif()
 
 if (APPLE)