diff --git a/src/twn_loop.c b/src/twn_loop.c
index 18a4dfc..520a6f5 100644
--- a/src/twn_loop.c
+++ b/src/twn_loop.c
@@ -544,6 +544,8 @@ static void clean_up(void) {
 
     toml_free(ctx.config_table);
     PHYSFS_deinit();
+
+    SDL_GL_DeleteContext(ctx.gl_context);
     SDL_Quit();
 }