diff --git a/Source/Windows/CMakeLists.txt b/Source/Windows/CMakeLists.txt
index 593e017cd..fa7ed605c 100644
--- a/Source/Windows/CMakeLists.txt
+++ b/Source/Windows/CMakeLists.txt
@@ -15,7 +15,8 @@ function(patch_library_wine target)
     COMMAND dd bs=32 count=1 seek=2 conv=notrunc if=${CMAKE_SOURCE_DIR}/Source/Windows/wine_builtin.bin of=$<TARGET_FILE:${target}>)
 endfunction()
 
-execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_FLAGS} -print-libgcc-file-name
+separate_arguments(CXX_FLAGS_LIST NATIVE_COMMAND "${CMAKE_CXX_FLAGS}")
+execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${CXX_FLAGS_LIST} -print-libgcc-file-name
   OUTPUT_VARIABLE LIBGCC_PATH
   OUTPUT_STRIP_TRAILING_WHITESPACE)