diff --git a/src/cutecoin/core/net/network.py b/src/cutecoin/core/net/network.py
index b46be63026850979bcc5f11677a1c2f6341caa99..a4fbb5d1fff0f3a5e05999c3fa119a83e9c69e38 100644
--- a/src/cutecoin/core/net/network.py
+++ b/src/cutecoin/core/net/network.py
@@ -113,6 +113,10 @@ class Network(Watcher):
         '''
         Get nodes which are in the ONLINE state.
         '''
+        latest = self.latest_block
+        for n in self._nodes:
+            if n.state in (Node.ONLINE, Node.DESYNCED):
+                n.check_sync(latest)
         return [n for n in self.nodes if n.state == Node.ONLINE]
 
     @property
@@ -216,7 +220,7 @@ class Network(Watcher):
         self._must_crawl = True
         while self.continue_crawling():
             emit_change = False
-            nodes = self.crawling(interval=10)
+            nodes = self.crawling(interval=2)
 
             new_inlines = [n.endpoint.inline() for n in nodes]
             last_inlines = [n.endpoint.inline() for n in self.nodes]
diff --git a/src/cutecoin/core/net/node.py b/src/cutecoin/core/net/node.py
index 1f8186eb79f0597e845c9f025f50354eab734c76..ec0bd8bb5c0d16b716753769ca3bc8beb0a578bc 100644
--- a/src/cutecoin/core/net/node.py
+++ b/src/cutecoin/core/net/node.py
@@ -216,20 +216,18 @@ class Node(QObject):
 
     @last_change.setter
     def last_change(self, val):
-        logging.debug("{:} | Changed state : {:}".format(self.pubkey[:5],
-                                                         val))
+        #logging.debug("{:} | Changed state : {:}".format(self.pubkey[:5],val))
         self._last_change = val
 
     @state.setter
     def state(self, new_state):
-        logging.debug("{:} | Last state : {:} / new state : {:}".format(self.pubkey[:5],
-                                                                        self.state, new_state))
+        #logging.debug("{:} | Last state : {:} / new state : {:}".format(self.pubkey[:5],self.state, new_state))
         if self._state != new_state:
             self.last_change = time.time()
         self._state = new_state
 
     def check_sync(self, block):
-        logging.debug("Check sync")
+        #logging.debug("Check sync")
         if self.block < block:
             self.state = Node.DESYNCED
         else: