diff --git a/src/df/gfx/df_gfx.c b/src/df/gfx/df_gfx.c
index 65911889..a7e5c8b6 100644
--- a/src/df/gfx/df_gfx.c
+++ b/src/df/gfx/df_gfx.c
@@ -1012,6 +1012,10 @@ df_window_from_os_handle(OS_Handle os)
   return result;
 }
 
+#if defined(_MSC_VER) && !defined(__clang__) && defined(NDEBUG)
+#pragma optimize("", off)
+#endif
+
 internal void
 df_window_update_and_render(Arena *arena, OS_EventList *events, DF_Window *ws, DF_CmdList *cmds)
 {
@@ -6637,6 +6641,10 @@ df_window_update_and_render(Arena *arena, OS_EventList *events, DF_Window *ws, D
   ProfEnd();
 }
 
+#if defined(_MSC_VER) && !defined(__clang__) && defined(NDEBUG)
+#pragma optimize("", on)
+#endif
+
 ////////////////////////////////
 //~ rjf: Eval Viz