diff --git a/src/gallium/winsys/sw/wayland/wayland_sw_winsys.h b/src/gallium/winsys/sw/wayland/wayland_sw_winsys.h
index 5e3cfd0bf23..bedd2408f05 100644
--- a/src/gallium/winsys/sw/wayland/wayland_sw_winsys.h
+++ b/src/gallium/winsys/sw/wayland/wayland_sw_winsys.h
@@ -27,6 +27,7 @@
 #define WAYLAND_SW_WINSYS
 
 struct sw_winsys;
+struct wl_display;
 
 struct winsys_handle {
    int fd;