diff --git a/dezero/functions.py b/dezero/functions.py
index 9b1f7a6..b34e9ba 100644
--- a/dezero/functions.py
+++ b/dezero/functions.py
@@ -595,7 +595,7 @@ def backward(self, gy):
         return gx, ggamma, gbeta
 
 
-def batch_nrom(x, gamma, beta, mean, var, decay=0.9, eps=2e-5):
+def batch_norm(x, gamma, beta, mean, var, decay=0.9, eps=2e-5):
     return BatchNorm(mean, var, decay, eps)(x, gamma, beta)