diff --git a/cmake_modules/FindFilesystem.cmake b/cmake_modules/FindFilesystem.cmake
index 4f51b53f..c8d9a57f 100644
--- a/cmake_modules/FindFilesystem.cmake
+++ b/cmake_modules/FindFilesystem.cmake
@@ -199,7 +199,7 @@ if(CXX_FILESYSTEM_HAVE_FS)
 
         int main() {
             auto cwd = @CXX_FILESYSTEM_NAMESPACE@::current_path();
-            printf("%s", cwd.c_str());
+            printf("%s", cwd.generic_string().c_str());
             return EXIT_SUCCESS;
         }
     ]] code @ONLY)