diff --git a/python/paddle/fluid/optimizer.py b/python/paddle/fluid/optimizer.py
index efdd55d856f3988de801acc951f6dba75c752063..228ba08499808f237bb006515d0054b32476da15 100755
--- a/python/paddle/fluid/optimizer.py
+++ b/python/paddle/fluid/optimizer.py
@@ -2086,7 +2086,7 @@ class LarsMomentumOptimizer(Optimizer):
 
         # create the momentum optimize op
         momentum_op = block.append_op(
-            type=self.type,
+            type=self.type if _lars_weight_decay != 0.0 else 'momentum',
             inputs=inputs,
             outputs=outputs,
             attrs=attrs,