diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4c75ae105c67aa53cb9e379267b9f34e2dacbd33..d998bdb9fc5be797b888a11ad75462657815fa79 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ cmake_policy(SET CMP0054 NEW)
 cmake_policy(SET CMP0071 NEW)
 cmake_policy(SET CMP0074 NEW)
 
-if(MSVC)
+if(MSVC AND NOT ${CMAKE_GENERATOR} STREQUAL Ninja)
     # Force 64-bit VS compiler
     set(CMAKE_GENERATOR_TOOLSET host=x64)
 endif()