Fix assembler
diff --git a/gui.c b/gui.c
index 0837f69..64769dc 100644
--- a/gui.c
+++ b/gui.c
@@ -80,7 +80,7 @@
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
win = SDL_CreateWindow("6502",
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
- WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_OPENGL|SDL_WINDOW_SHOWN|SDL_WINDOW_ALLOW_HIGHDPI);
+ WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_OPENGL|SDL_WINDOW_SHOWN|SDL_WINDOW_ALLOW_HIGHDPI|SDL_WINDOW_RESIZABLE);
glContext = SDL_GL_CreateContext(win);
SDL_GetWindowSize(win, &win_width, &win_height);