diff --git a/src/sakia/data/processors/blockchain.py b/src/sakia/data/processors/blockchain.py
index 5f5f5973dd0dfe393aa7c5fe0a75a61c49f33b99..3bdae2283be861a53be07566cfba4c1f31686120 100644
--- a/src/sakia/data/processors/blockchain.py
+++ b/src/sakia/data/processors/blockchain.py
@@ -302,7 +302,7 @@ class BlockchainProcessor:
                     blockchain.previous_ud = blockchain.last_ud
                     blockchain.previous_ud_base = blockchain.last_ud_base
                     blockchain.previous_ud_time = blockchain.last_ud_time
-                    blockchain.current_mass = blockchain.current_mass + block.ud * block.members_count
+                    blockchain.current_mass += (block.ud * 10**block.unit_base) * block.members_count
                     blockchain.last_members_count = block.members_count
                     blockchain.last_ud = block.ud
                     blockchain.last_ud_base = block.unit_base
diff --git a/src/sakia/gui/navigation/controller.py b/src/sakia/gui/navigation/controller.py
index 4195612bb13eaa82a313067e20cd842423a85048..1f8d581b589eeb2bae0ebee75f6a3e5477d9bd03 100644
--- a/src/sakia/gui/navigation/controller.py
+++ b/src/sakia/gui/navigation/controller.py
@@ -103,7 +103,7 @@ class NavigationController(QObject):
         self.parse_node(raw_node)
 
     def tree_context_menu(self, point):
-        mapped = self.view.tree_view.mapFromParent(point)
+        mapped = self.view.splitter.mapFromParent(point)
         index = self.view.tree_view.indexAt(mapped)
         raw_data = self.view.tree_view.model().data(index, GenericTreeModel.ROLE_RAW_DATA)
         if raw_data and raw_data["component"] == "Informations":