Index: uspace/srv/hid/display/window.c
===================================================================
--- uspace/srv/hid/display/window.c	(revision 0e6e77f09b348a14b2b1fa8165b25000755a93f1)
+++ uspace/srv/hid/display/window.c	(revision 7bb45e33b98aa347a21453b63e27f209dc3ab3d9)
@@ -282,4 +282,5 @@
 	ds_display_add_window(client->display, wnd);
 
+	gfx_bitmap_params_init(&bparams);
 	bparams.rect = params->rect;
 
@@ -355,4 +356,5 @@
 	dgc = ds_display_get_gc(wnd->display); // XXX
 	if (dgc != NULL) {
+		gfx_bitmap_params_init(&bparams);
 		bparams.rect = *nrect;