diff --git a/dlls/x11drv/winpos.c b/dlls/x11drv/winpos.c
index 3f7e22e3ceb..2966628345b 100644
--- a/dlls/x11drv/winpos.c
+++ b/dlls/x11drv/winpos.c
@@ -26,7 +26,7 @@
 #ifdef HAVE_LIBXSHAPE
 #include <X11/IntrinsicP.h>
 #include <X11/extensions/shape.h>
-#endif HAVE_LIBXSHAPE
+#endif /* HAVE_LIBXSHAPE */
 
 #include "winbase.h"
 #include "wingdi.h"