diff --git a/src/cutecoin/core/net/network.py b/src/cutecoin/core/net/network.py
index 135eee1b9bf208b6fba95c352fc82eded8a4afb7..e600aab45594befae3d28846f092ae9b51b2bd60 100644
--- a/src/cutecoin/core/net/network.py
+++ b/src/cutecoin/core/net/network.py
@@ -310,7 +310,7 @@ class Network(QObject):
         while self.continue_crawling():
             for node in self.nodes:
                 if self.continue_crawling():
-                    yield from asyncio.sleep(2)
+                    yield from asyncio.sleep(15)
                     node.refresh()
         logging.debug("End of network discovery")