diff --git a/engines/saga/interface.cpp b/engines/saga/interface.cpp
index 30b5b5fcaa8..dcf87055132 100644
--- a/engines/saga/interface.cpp
+++ b/engines/saga/interface.cpp
@@ -379,6 +379,7 @@ int Interface::activate() {
 		}
 		_vm->_gfx->showCursor(true);
 		draw();
+		_vm->_render->setFullRefresh(true);
 	}
 
 	return SUCCESS;
diff --git a/engines/saga/render.cpp b/engines/saga/render.cpp
index 063cc4c757c..3bee811eabc 100644
--- a/engines/saga/render.cpp
+++ b/engines/saga/render.cpp
@@ -230,7 +230,8 @@ void Render::restoreChangedRects() {
  	 	Common::List<Common::Rect>::const_iterator it;
  	 	for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) {
 			//_backGroundSurface.frameRect(*it, 1);		// DEBUG
-			g_system->copyRectToScreen((byte *)_backGroundSurface.pixels, _backGroundSurface.w, it->left, it->top, it->width(), it->height());
+			if (it->bottom <= _vm->_scene->getHeight())
+				g_system->copyRectToScreen((byte *)_backGroundSurface.pixels, _backGroundSurface.w, it->left, it->top, it->width(), it->height());
 		}
 	}
 	_dirtyRects.clear();