diff --git a/python/paddle/v2/fluid/__init__.py b/python/paddle/v2/fluid/__init__.py
index c033b27beab52a979c78caeba68990c95b462c56..dd25bc19ec5f4fd6eb3e04f304b1de488e988f41 100644
--- a/python/paddle/v2/fluid/__init__.py
+++ b/python/paddle/v2/fluid/__init__.py
@@ -36,7 +36,8 @@ def __read_gflags_from_env__():
     read_env_flags = ['use_pinned_memory']
     if core.is_compile_gpu():
         read_env_flags.append('fraction_of_gpu_memory_to_use')
-    core.init_gflags(sys.argv + ["--tryfromenv=" + ",".join(read_env_flags)])
+    core.init_gflags([sys.argv[0]] +
+                     ["--tryfromenv=" + ",".join(read_env_flags)])
 
 
 __read_gflags_from_env__()