diff --git a/libs/kiplatform/msw/ui.cpp b/libs/kiplatform/msw/ui.cpp
index 0a9a0f9da1..612d08909c 100644
--- a/libs/kiplatform/msw/ui.cpp
+++ b/libs/kiplatform/msw/ui.cpp
@@ -18,6 +18,8 @@
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <winuser.h>
+
 #include <kiplatform/ui.h>
 
 #include <wx/cursor.h>