diff --git a/backend/coreapp/compilers.py b/backend/coreapp/compilers.py
index c44d9f9f..674a8213 100644
--- a/backend/coreapp/compilers.py
+++ b/backend/coreapp/compilers.py
@@ -1274,7 +1274,7 @@ def preset_from_name(name: str) -> Optional[Preset]:
     Preset(
         "vib-ribbon",
         PSYQ45,
-        "-O2 -G4 -mel -mno-abicalls -fno-builtin",
+        "-Os -G4 -mel -mno-abicalls -fno-builtin",
     ),
     # Saturn
     Preset(