diff --git a/compiler-rt/cmake/Modules/CompilerRTUtils.cmake b/compiler-rt/cmake/Modules/CompilerRTUtils.cmake
index a6c6ef93500d5..8e331634b76bd 100644
--- a/compiler-rt/cmake/Modules/CompilerRTUtils.cmake
+++ b/compiler-rt/cmake/Modules/CompilerRTUtils.cmake
@@ -369,7 +369,11 @@ macro(construct_compiler_rt_default_triple)
   endif()
 
   if ("${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
-    execute_process(COMMAND ${CMAKE_C_COMPILER} --target=${COMPILER_RT_DEFAULT_TARGET_TRIPLE} -print-target-triple
+    set(option_prefix "")
+    if (CMAKE_C_SIMULATE_ID MATCHES "MSVC")
+      set(option_prefix "/clang:")
+    endif()
+    execute_process(COMMAND ${CMAKE_C_COMPILER} ${option_prefix}--target=${COMPILER_RT_DEFAULT_TARGET_TRIPLE} ${option_prefix}-print-target-triple
                     OUTPUT_VARIABLE COMPILER_RT_DEFAULT_TARGET_TRIPLE
                     OUTPUT_STRIP_TRAILING_WHITESPACE)
   endif()