diff --git a/python/paddle/v2/fluid/clip.py b/python/paddle/v2/fluid/clip.py
index f6ff83924f2516875f44b8b49ac75e36d7d1d407..9800ad7c5d024b21e564762c8079d40968cd97d2 100644
--- a/python/paddle/v2/fluid/clip.py
+++ b/python/paddle/v2/fluid/clip.py
@@ -124,11 +124,11 @@ class GradientClipByGlobalNorm(BaseGradientClipAttr):
 
         cls.global_norm_var = layers.fill_constant(
             shape=[1], dtype="float32", value=0.0)
-        cls.local_norm_var = framework.default_main_program().current_block(
-        ).create_var(
-            name=framework.unique_name("local_norm"),
-            dtype="float32",
-            persistable=False)
+        cls.local_norm_var = framework.default_main_program().block(
+            0).create_var(
+                name=framework.unique_name("local_norm"),
+                dtype="float32",
+                persistable=False)
         cls.clip_norm_var = layers.fill_constant(
             shape=[1], dtype="float32", value=clip_norm)