diff --git a/src/gl-renderer.c b/src/gl-renderer.c
index 71c9f31a5..b575a6c60 100644
--- a/src/gl-renderer.c
+++ b/src/gl-renderer.c
@@ -1337,8 +1337,7 @@ gl_renderer_attach(struct weston_surface *es, struct weston_buffer *buffer)
 
 	if (shm_buffer)
 		gl_renderer_attach_shm(es, buffer, shm_buffer);
-	else if (gr->query_buffer(gr->egl_display,
-				  (struct wl_buffer *)buffer->resource,
+	else if (gr->query_buffer(gr->egl_display, (void *) buffer->resource,
 				  EGL_TEXTURE_FORMAT, &format))
 		gl_renderer_attach_egl(es, buffer, format);
 	else {