diff --git a/contrib/zeromq/test-server.py b/contrib/zeromq/test-server.py
index 5767b71..c7804d3 100755
--- a/contrib/zeromq/test-server.py
+++ b/contrib/zeromq/test-server.py
@@ -6,28 +6,28 @@
 
 
 class StorageHandler(storage.Storage.Iface):
-  def __init__(self):
-    self.value = 0
+    def __init__(self):
+        self.value = 0
 
-  def incr(self, amount):
-    self.value += amount
+    def incr(self, amount):
+        self.value += amount
 
-  def get(self):
-    return self.value
+    def get(self):
+        return self.value
 
 
 def main():
-  handler = StorageHandler()
-  processor = storage.Storage.Processor(handler)
+    handler = StorageHandler()
+    processor = storage.Storage.Processor(handler)
 
-  ctx = zmq.Context()
-  reqrep_server = TZmqServer.TZmqServer(processor, ctx, "tcp://0.0.0.0:9090", zmq.REP)
-  oneway_server = TZmqServer.TZmqServer(processor, ctx, "tcp://0.0.0.0:9091", zmq.UPSTREAM)
-  multiserver = TZmqServer.TZmqMultiServer()
-  multiserver.servers.append(reqrep_server)
-  multiserver.servers.append(oneway_server)
-  multiserver.serveForever()
+    ctx = zmq.Context()
+    reqrep_server = TZmqServer.TZmqServer(processor, ctx, "tcp://0.0.0.0:9090", zmq.REP)
+    oneway_server = TZmqServer.TZmqServer(processor, ctx, "tcp://0.0.0.0:9091", zmq.UPSTREAM)
+    multiserver = TZmqServer.TZmqMultiServer()
+    multiserver.servers.append(reqrep_server)
+    multiserver.servers.append(oneway_server)
+    multiserver.serveForever()
 
 
 if __name__ == "__main__":
-  main()
+    main()