diff --git a/contrib/zmq/zmq_sub.py b/contrib/zmq/zmq_sub.py
old mode 100755
new mode 100644
index 6e44c56f527..60768dc59a9
--- a/contrib/zmq/zmq_sub.py
+++ b/contrib/zmq/zmq_sub.py
@@ -38,7 +38,7 @@ port = 28332
 
 class ZMQHandler():
     def __init__(self):
-        self.loop = zmq.asyncio.install()
+        self.loop = asyncio.get_event_loop()
         self.zmqContext = zmq.asyncio.Context()
 
         self.zmqSubSocket = self.zmqContext.socket(zmq.SUB)
diff --git a/contrib/zmq/zmq_sub3.4.py b/contrib/zmq/zmq_sub3.4.py
old mode 100755
new mode 100644
index 536352d5ff7..0df843c9a3f
--- a/contrib/zmq/zmq_sub3.4.py
+++ b/contrib/zmq/zmq_sub3.4.py
@@ -42,7 +42,7 @@ port = 28332
 
 class ZMQHandler():
     def __init__(self):
-        self.loop = zmq.asyncio.install()
+        self.loop = asyncio.get_event_loop()
         self.zmqContext = zmq.asyncio.Context()
 
         self.zmqSubSocket = self.zmqContext.socket(zmq.SUB)