diff --git a/05_sdl_alapok/texture.cpp b/05_sdl_alapok/texture.cpp
index 26fcb17..08ad096 100644
--- a/05_sdl_alapok/texture.cpp
+++ b/05_sdl_alapok/texture.cpp
@@ -129,6 +129,8 @@ void Texture::refresh() {
 void Texture::free() {
     if (_texture) {
         SDL_DestroyTexture(_texture);
+
+		_texture = nullptr;
     }
 }