Index: uspace/lib/ddev/test/ddev.c
===================================================================
--- uspace/lib/ddev/test/ddev.c	(revision 87a7cdb3ff40f9795359f6da489d45a3fafee668)
+++ uspace/lib/ddev/test/ddev.c	(revision 23e86c6dcff346ffc7f0237d512aa2e499b47244)
@@ -48,5 +48,5 @@
 static void test_ddev_conn(ipc_call_t *, void *);
 
-static errno_t test_get_gc(void *, gfx_context_t **);
+static errno_t test_get_gc(void *, sysarg_t *, sysarg_t *);
 static errno_t test_gc_set_color(void *, gfx_color_t *);
 
@@ -215,8 +215,9 @@
 }
 
-static errno_t test_get_gc(void *arg, gfx_context_t **rgc)
-{
-	*rgc = NULL;
-	return ENOTSUP;
+static errno_t test_get_gc(void *arg, sysarg_t *arg2, sysarg_t *arg3)
+{
+	*arg2 = 0;
+	*arg3 = 42;
+	return EOK;
 }