diff --git a/gdk/win32/gdkkeys-win32.h b/gdk/win32/gdkkeys-win32.h
index 14a69d8081..17b7d7125c 100644
--- a/gdk/win32/gdkkeys-win32.h
+++ b/gdk/win32/gdkkeys-win32.h
@@ -22,7 +22,7 @@
  */
 
 #include <glib.h>
-#include <Windows.h>
+#include <windows.h>
 
 /* For lookup table VK -> chars */
 typedef struct 
diff --git a/gdk/win32/winpointer.h b/gdk/win32/winpointer.h
index ee3e42e063..786f6016c7 100644
--- a/gdk/win32/winpointer.h
+++ b/gdk/win32/winpointer.h
@@ -138,6 +138,10 @@
 #define PA_ACTIVATE MA_ACTIVATE
 #define PA_NOACTIVATE MA_NOACTIVATE
 
+#ifndef GC_ALLGESTURES
+#define GC_ALLGESTURES 0x1
+#endif
+
 typedef DWORD POINTER_INPUT_TYPE;
 typedef UINT32 POINTER_FLAGS;
 typedef UINT32 TOUCH_FLAGS;
diff --git a/meson.build b/meson.build
index 98f1007e73..0950827a73 100644
--- a/meson.build
+++ b/meson.build
@@ -683,7 +683,7 @@ if win32_enabled
   else
     pc_gdk_extra_libs += ['-Wl,-luuid']
   endif
-  pc_gdk_extra_libs += ['-lwinmm', '-ldwmapi', '-lsetupapi', '-lcfgmgr32']
+  pc_gdk_extra_libs += ['-lwinmm', '-ldwmapi', '-lsetupapi', '-lcfgmgr32', '-lhid']
   backend_immodules += ['ime']
 
   # Check whether libepoxy is built with EGL support on Windows