diff --git a/src/Kernel/Abstractions/basic.cpp b/src/Kernel/Abstractions/basic.cpp
index c11ff7cb6b..03d9d10fa3 100644
--- a/src/Kernel/Abstractions/basic.cpp
+++ b/src/Kernel/Abstractions/basic.cpp
@@ -206,6 +206,8 @@ os_macos () {
 
 static const char*
 default_look_and_feel_impl () {
+  if (os_mingw () || os_win32 ()) return "windows";
+  if (os_macos ()) return "macos";
   return "emacs";
 }