diff --git a/CMakeLists.txt b/CMakeLists.txt
index 74fedd399..40ce10c6a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,10 +23,9 @@ endif()
 
 # Enable conformance mode for newer versions of MSVC
 if(MSVC_VERSION GREATER 1910)
-  string(APPEND CMAKE_CXX_FLAGS " /d1parsePackExpressions-")
+  string(APPEND CMAKE_CXX_FLAGS " /permissive-")
 endif()
 
-
 add_definitions(-DGTEST_HAS_TR1_TUPLE=0)
 
 # Recurse through source directories