diff --git a/comfy/customzluda/zluda.py b/comfy/customzluda/zluda.py
index 6b6f365fc..48bca28ae 100644
--- a/comfy/customzluda/zluda.py
+++ b/comfy/customzluda/zluda.py
@@ -652,7 +652,8 @@ def do_hijack():
     print("  ::  Configuring PyTorch backends...")
     torch.backends.cuda.enable_mem_efficient_sdp(False)
     torch.backends.cuda.enable_mem_efficient_sdp = do_nothing
-    # torch.backends.cudnn.enabled = True #this was here from the early days , always assumed this was required for other stuff, disabling it.
+    torch.backends.cudnn.enabled = False
+    torch.backends.cudnn.benchmark = False
     if hasattr(torch.backends.cuda, "enable_flash_sdp"):
         torch.backends.cuda.enable_flash_sdp(True)
         print("  ::  Disabled CUDA flash attention")