diff --git a/src/os_unix.c b/src/os_unix.c
index c82e593..bb97bbe 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -61,6 +61,11 @@
 #  include <cygwin/version.h>
 #  include <sys/cygwin.h>	/* for cygwin_conv_to_posix_path() and/or
 				 * for cygwin_conv_path() */
+#  ifdef FEAT_CYGWIN_WIN32_CLIPBOARD
+#   define WIN32_LEAN_AND_MEAN
+#   include <windows.h>
+#   include "winclip.pro"
+#  endif
 # endif
 #endif
 
@@ -1223,6 +1228,9 @@
 #ifdef MACOS_CONVERT
     mac_conv_init();
 #endif
+#ifdef FEAT_CYGWIN_WIN32_CLIPBOARD
+    win_clip_init();
+#endif
 }
 
     static void