diff --git a/repos/os/src/test/nitpicker/main.cc b/repos/os/src/test/nitpicker/main.cc
index 49156c8234..c6643dc4c5 100644
--- a/repos/os/src/test/nitpicker/main.cc
+++ b/repos/os/src/test/nitpicker/main.cc
@@ -265,6 +265,8 @@ Test::Main::Main(Genode::Env &env) : _env(env)
 			}
 		}
 
+	_gui.framebuffer.refresh(0, 0, size.w, size.h);
+
 	_view_stack.construct(View_stack::Input_mask_ptr { .size = size,
 	                                                   .ptr  = input_mask });