diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 47ac2cfd3..c10583054 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -111,7 +111,7 @@ if(DISPATCH_ENABLE_ASSERTS)
     DISPATCH_DEBUG=1)
 endif()
 
-if("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC")
+if("${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "MSVC")
   target_compile_options(dispatch PRIVATE /EHs-c-)
   target_compile_options(dispatch PRIVATE /W3)
 else()
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 0ec603842..ed5d2f444 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -83,7 +83,7 @@ function(add_unit_test name)
   target_include_directories(${name}
                              SYSTEM BEFORE PRIVATE
                                "${BlocksRuntime_INCLUDE_DIR}")
-  if("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC")
+  if("${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "MSVC")
     target_compile_options(${name} PRIVATE -Xclang -fblocks)
     target_compile_options(${name} PRIVATE /W3 -Wno-deprecated-declarations)
   else()