diff --git a/sgm/modules/diffusionmodules/util.py b/sgm/modules/diffusionmodules/util.py
index 6c42a42e..6783480a 100644
--- a/sgm/modules/diffusionmodules/util.py
+++ b/sgm/modules/diffusionmodules/util.py
@@ -272,8 +272,7 @@ class SiLU(nn.Module):
 
 class GroupNorm32(nn.GroupNorm):
     def forward(self, x):
-        self.weight = self.weight.float()
-        self.bias = self.bias.float()
+        self.to(torch.float32)
         return super().forward(x.float()).type(x.dtype)