diff --git a/src/cutecoin/core/net/node.py b/src/cutecoin/core/net/node.py
index 38aaf17d5989986e0a063ba1af6f72d8b3e359ec..794f40ffd13b5cd8710752c52316e1f0204e8f47 100644
--- a/src/cutecoin/core/net/node.py
+++ b/src/cutecoin/core/net/node.py
@@ -460,10 +460,13 @@ class Node(QObject):
         if self.check_noerror(reply.error(), status_code):
             strdata = bytes(reply.readAll()).decode('utf-8')
             leaf_data = json.loads(strdata)
-            peer_doc = Peer.from_signed_raw("{0}{1}\n".format(leaf_data['leaf']['value']['raw'],
-                                                        leaf_data['leaf']['value']['signature']))
-            pubkey = leaf_data['leaf']['value']['pubkey']
-            self.neighbour_found.emit(peer_doc, pubkey)
+            if "raw" in leaf_data['leaf']['value']:
+                peer_doc = Peer.from_signed_raw("{0}{1}\n".format(leaf_data['leaf']['value']['raw'],
+                                                            leaf_data['leaf']['value']['signature']))
+                pubkey = leaf_data['leaf']['value']['pubkey']
+                self.neighbour_found.emit(peer_doc, pubkey)
+            else:
+                logging.debug("Incorrect leaf reply")
         else:
             logging.debug("Error in leaf reply")
             self.changed.emit()
diff --git a/src/cutecoin/core/txhistory.py b/src/cutecoin/core/txhistory.py
index 6105ac21ca128a912199a21318cce90a7df08fb9..e959a3ec2a405f03192d43826f2b48b0cc1091ae 100644
--- a/src/cutecoin/core/txhistory.py
+++ b/src/cutecoin/core/txhistory.py
@@ -225,7 +225,7 @@ class TxHistory():
         # Lets look if transactions took too long to be validated
         awaiting = [t for t in self._transfers
                     if t.state == Transfer.AWAITING]
-        while parsed_block < current_block['number']:
+        while parsed_block <= current_block['number']:
             udid = 0
             for d in [ud for ud in dividends if ud['block_number'] == parsed_block]:
                 state = yield from TxHistory._validation_state(community, d['block_number'], current_block)
@@ -256,10 +256,11 @@ class TxHistory():
                 return
             self.latest_block = current_block['number']
 
+        parameters = yield from community.parameters()
         for transfer in awaiting:
             transfer.check_refused(current_block['medianTime'],
-                                   community.parameters['avgGenTime'],
-                                   community.parameters['medianTimeBlocks'])
+                                   parameters['avgGenTime'],
+                                   parameters['medianTimeBlocks'])
 
         self._transfers = self._transfers + new_transfers
         self._dividends = self._dividends + new_dividends
diff --git a/src/cutecoin/gui/community_view.py b/src/cutecoin/gui/community_view.py
index 3cee35643cc2c95696672e7334ac65ab2a099dd8..98aa8336a31989051c5a1f68fb6815bb37d6f530 100644
--- a/src/cutecoin/gui/community_view.py
+++ b/src/cutecoin/gui/community_view.py
@@ -121,6 +121,7 @@ class CommunityWidget(QWidget, Ui_CommunityWidget):
             community.network.nodes_changed.connect(self.refresh_status)
             self.label_currency.setText(community.currency)
         self.community = community
+        self.refresh_status()
         self.refresh_quality_buttons()
 
     @pyqtSlot(str)
@@ -211,7 +212,9 @@ class CommunityWidget(QWidget, Ui_CommunityWidget):
                 label_text += " - {0}".format(status_infotext)
 
             if self.app.preferences['expert_mode']:
-                label_text += self.tr(" - Median fork window : {0}").format(self.community.network.fork_window(self.community.members_pubkeys()))
+                members_pubkeys = yield from self.community.members_pubkeys()
+                label_text += self.tr(" - Median fork window : {0}")\
+                    .format(self.community.network.fork_window(members_pubkeys))
 
             self.status_label.setText(label_text)
 
diff --git a/src/cutecoin/gui/mainwindow.py b/src/cutecoin/gui/mainwindow.py
index 50b6b2261c5f98a4e844770a2d147445280432f2..c59870d3cac626a5e3d69d75a1a7b68bda228853 100644
--- a/src/cutecoin/gui/mainwindow.py
+++ b/src/cutecoin/gui/mainwindow.py
@@ -255,9 +255,6 @@ class MainWindow(QMainWindow, Ui_MainWindow):
 
     @pyqtSlot(Community)
     def change_community(self, community):
-        if self.community_view.community:
-            self.community_view.community.stop_coroutines()
-
         if community:
             self.homescreen.hide()
             self.community_view.show()
diff --git a/src/cutecoin/gui/transactions_tab.py b/src/cutecoin/gui/transactions_tab.py
index f452b6694a52121330285acf471ba264156208d8..d2f2e715406bdd15ee8d1ff002acea6d5eec76d3 100644
--- a/src/cutecoin/gui/transactions_tab.py
+++ b/src/cutecoin/gui/transactions_tab.py
@@ -96,7 +96,6 @@ class TransactionsTabWidget(QWidget, Ui_transactionsTabWidget):
         #TODO: Use resetmodel instead of destroy/create
         if self.community:
             self.refresh_minimum_maximum()
-
             self.refresh_balance()
 
     def start_progress(self):
diff --git a/src/cutecoin/models/txhistory.py b/src/cutecoin/models/txhistory.py
index bd22eccb338102552f416e9b0f4f278962fc3c2d..31cdc1d39d072a0bc7bed22a69f0864cc23654ad 100644
--- a/src/cutecoin/models/txhistory.py
+++ b/src/cutecoin/models/txhistory.py
@@ -18,7 +18,6 @@ from PyQt5.QtGui import QFont, QColor
 class TxFilterProxyModel(QSortFilterProxyModel):
     def __init__(self, ts_from, ts_to, parent=None):
         super().__init__(parent)
-        self.community = None
         self.app = None
         self.ts_from = ts_from
         self.ts_to = ts_to
@@ -67,11 +66,14 @@ class TxFilterProxyModel(QSortFilterProxyModel):
 
         return in_period(date)
 
+    @property
+    def community(self):
+        return self.sourceModel().community
+
     def columnCount(self, parent):
         return self.sourceModel().columnCount(None) - 5
 
     def setSourceModel(self, sourceModel):
-        self.community = sourceModel.community
         self.app = sourceModel.app
         super().setSourceModel(sourceModel)