diff --git a/modules/devices.py b/modules/devices.py
index 9a3d29d7..bd3e4ffb 100644
--- a/modules/devices.py
+++ b/modules/devices.py
@@ -6,7 +6,7 @@ from modules import errors
 # has_mps is only available in nightly pytorch (for now) and MasOS 12.3+.
 # check `getattr` and try it for compatibility
 def has_mps() -> bool:
-    if getattr(torch, 'has_mps', False): return False
+    if not getattr(torch, 'has_mps', False): return False
     try:
         torch.zeros(1).to(torch.device("mps"))
         return True