diff --git a/common/dynload.h b/common/dynload.h
index 54a47b219..f1dc3f095 100644
--- a/common/dynload.h
+++ b/common/dynload.h
@@ -1,97 +1,100 @@
 /* dynload.h - Wrapper functions for run-time dynamic loading
  *      Copyright (C) 2003, 2010 Free Software Foundation, Inc.
  *
  * This file is part of GnuPG.
  *
  * GnuPG is free software; you can redistribute and/or modify this
  * part of GnuPG under the terms of either
  *
  *   - the GNU Lesser General Public License as published by the Free
  *     Software Foundation; either version 3 of the License, or (at
  *     your option) any later version.
  *
  * or
  *
  *   - the GNU General Public License as published by the Free
  *     Software Foundation; either version 2 of the License, or (at
  *     your option) any later version.
  *
  * or both in parallel, as here.
  *
  * GnuPG is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License for more details.
  *
  * You should have received a copies of the GNU General Public License
  * and the GNU Lesser General Public License along with this program;
  * if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef GNUPG_COMMON_DYNLOAD_H
 #define GNUPG_COMMON_DYNLOAD_H
 
 #ifndef __MINGW32__
 # include <dlfcn.h>
 #else
+# ifdef HAVE_WINSOCK2_H
+#  include <winsock2.h>  /* needs to be included before windows.h */
+# endif
 # include <windows.h>
 # include "utf8conv.h"
 # include "mischelp.h"
 # define RTLD_LAZY 0
 
 static inline void *
 dlopen (const char *name, int flag)
 {
   void *hd;
 #ifdef HAVE_W32CE_SYSTEM
   wchar_t *wname = utf8_to_wchar (name);
   hd = wname? LoadLibrary (wname) : NULL;
   xfree (wname);
 #else
   hd = LoadLibrary (name);
 #endif
   (void)flag;
   return hd;
 }
 
 static inline void *
 dlsym (void *hd, const char *sym)
 {
   if (hd && sym)
     {
 #ifdef HAVE_W32CE_SYSTEM
       wchar_t *wsym = utf8_to_wchar (sym);
       void *fnc = wsym? GetProcAddress (hd, wsym) : NULL;
       xfree (wsym);
 #else
       void *fnc = GetProcAddress (hd, sym);
 #endif
       if (!fnc)
         return NULL;
       return fnc;
     }
   return NULL;
 }
 
 
 static inline const char *
 dlerror (void)
 {
   static char buf[32];
   snprintf (buf, sizeof buf, "ec=%lu", GetLastError ());
   return buf;
 }
 
 
 static inline int
 dlclose (void * hd)
 {
   if (hd)
     {
       CloseHandle (hd);
       return 0;
     }
   return -1;
 }
 # endif /*__MINGW32__*/
 #endif /*GNUPG_COMMON_DYNLOAD_H*/