diff --git a/Modules/CMakeClDeps.cmake b/Modules/CMakeClDeps.cmake
index b52641c53..0214ead2b 100644
--- a/Modules/CMakeClDeps.cmake
+++ b/Modules/CMakeClDeps.cmake
@@ -26,12 +26,9 @@ if(MSVC_C_ARCHITECTURE_ID AND CMAKE_GENERATOR MATCHES "Ninja" AND CMAKE_C_COMPIL
   file(WRITE ${showdir}/foo.h "\n")
   file(WRITE ${showdir}/main.c "#include \"foo.h\" \nint main(){}\n")
   execute_process(COMMAND ${CMAKE_C_COMPILER} /nologo /showIncludes ${showdir}/main.c
-                  WORKING_DIRECTORY ${showdir} OUTPUT_VARIABLE showOut)
-  string(REPLACE main.c "" showOut1 ${showOut})
-  string(REPLACE "/" "\\" header1 ${showdir}/foo.h)
-  string(TOLOWER ${header1} header2)
-  string(REPLACE ${header2} "" showOut2 ${showOut1})
-  string(REPLACE "\n" "" showOut3 ${showOut2})
+                  WORKING_DIRECTORY ${showdir} OUTPUT_VARIABLE outLine)
+  string(REGEX MATCH "\n([^:]*:[^:]*:[ \t]*)" tmp "${outLine}")
+  set(localizedPrefix "${CMAKE_MATCH_1}")
   set(SET_CMAKE_CMCLDEPS_EXECUTABLE   "set(CMAKE_CMCLDEPS_EXECUTABLE \"${CMAKE_CMCLDEPS_EXECUTABLE}\")")
-  set(SET_CMAKE_CL_SHOWINCLUDE_PREFIX "set(CMAKE_CL_SHOWINCLUDE_PREFIX \"${showOut3}\")")
+  set(SET_CMAKE_CL_SHOWINCLUDE_PREFIX "set(CMAKE_CL_SHOWINCLUDE_PREFIX \"${localizedPrefix}\")")
 endif()