diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
index d4096e25933..8ac79709c04 100644
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -33,7 +33,9 @@ if( LLVM_ENABLE_ASSERTIONS )
   endif()
 else()
   if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
-    add_definitions( -DNDEBUG )
+    if( NOT MSVC_IDE AND NOT XCODE )
+      add_definitions( -DNDEBUG )
+    endif()
   endif()
 endif()