diff --git a/distrho/extra/FileBrowserDialog.cpp b/distrho/extra/FileBrowserDialog.cpp
index a512f72a..4c8d1c29 100644
--- a/distrho/extra/FileBrowserDialog.cpp
+++ b/distrho/extra/FileBrowserDialog.cpp
@@ -26,7 +26,6 @@
 # include <process.h>
 # include <winsock2.h>
 # include <windows.h>
-# include <commdlg.h>
 # include <vector>
 #else
 # include <unistd.h>
diff --git a/distrho/src/DistrhoUI.cpp b/distrho/src/DistrhoUI.cpp
index 99e322e4..ee62ee68 100644
--- a/distrho/src/DistrhoUI.cpp
+++ b/distrho/src/DistrhoUI.cpp
@@ -41,7 +41,7 @@
 
 #if DISTRHO_PLUGIN_HAS_EXTERNAL_UI
 # if defined(DISTRHO_OS_WINDOWS)
-#  define WIN32_LEAN_AND_MEAN
+#  include <winsock2.h>
 #  include <windows.h>
 # elif defined(HAVE_X11)
 #  include <X11/Xresource.h>