diff --git a/OptiScaler/misc/Quirks.h b/OptiScaler/misc/Quirks.h
index 0e32e38c..8c12ce21 100644
--- a/OptiScaler/misc/Quirks.h
+++ b/OptiScaler/misc/Quirks.h
@@ -145,7 +145,7 @@ static const QuirkEntry quirkTable[] = {
     //
     // Kunitsu-Gami: Path of the Goddess, Monster Hunter Wilds, MONSTER HUNTER RISE, Dead Rising Deluxe Remaster
     // (including the demo), Dragon's Dogma 2, PRAGMATA Demo, Resident Evil Requiem, Monster Hunter Stories 3: Twisted
-    // Reflection, PRAGMATA
+    // Reflection, PRAGMATA, Onimusha: Way of the Sword Demo
     QUIRK_ENTRY("kunitsugami.exe", GameQuirk::RestoreComputeSigOnNonNvidia, GameQuirk::DisableDxgiSpoofing),
     QUIRK_ENTRY("kunitsugamidemo.exe", GameQuirk::RestoreComputeSigOnNonNvidia, GameQuirk::DisableDxgiSpoofing),
     QUIRK_ENTRY("monsterhunterwilds.exe", GameQuirk::RestoreComputeSigOnNonNvidia, GameQuirk::DisableDxgiSpoofing,
@@ -162,6 +162,8 @@ static const QuirkEntry quirkTable[] = {
                 GameQuirk::DisableDxgiSpoofing, GameQuirk::RestoreComputeSigOnNvidia),
     QUIRK_ENTRY("pragmata.exe", GameQuirk::RestoreComputeSigOnNonNvidia, GameQuirk::DisableDxgiSpoofing,
                 GameQuirk::RestoreComputeSigOnNvidia, GameQuirk::PregmataFixDLSSModes),
+    QUIRK_ENTRY("onimushawots_demo.exe", GameQuirk::RestoreComputeSigOnNonNvidia, GameQuirk::DisableDxgiSpoofing,
+                GameQuirk::RestoreComputeSigOnNvidia),
 
     // REF PDUpscaler branch
     // Old menu needed to avoid the invisible overlay while upscaling is active