diff --git a/ldm/modules/ema.py b/ldm/modules/ema.py
index c8c75af435..4f35a14c5b 100644
--- a/ldm/modules/ema.py
+++ b/ldm/modules/ema.py
@@ -3,14 +3,14 @@
 
 
 class LitEma(nn.Module):
-    def __init__(self, model, decay=0.9999, use_num_upates=True):
+    def __init__(self, model, decay=0.9999, use_num_updates=True):
         super().__init__()
         if decay < 0.0 or decay > 1.0:
             raise ValueError('Decay must be between 0 and 1')
 
         self.m_name2s_name = {}
         self.register_buffer('decay', torch.tensor(decay, dtype=torch.float32))
-        self.register_buffer('num_updates', torch.tensor(0,dtype=torch.int) if use_num_upates
+        self.register_buffer('num_updates', torch.tensor(0,dtype=torch.int) if use_num_updates
                              else torch.tensor(-1,dtype=torch.int))
 
         for name, p in model.named_parameters():