diff --git a/src/sakia/gui/main_window/toolbar/model.py b/src/sakia/gui/main_window/toolbar/model.py
index 34add96da0894a21a6442f8e1d39de58d9c23028..7cbe399d6a4d94045c483558b40291a85a402d92 100644
--- a/src/sakia/gui/main_window/toolbar/model.py
+++ b/src/sakia/gui/main_window/toolbar/model.py
@@ -100,7 +100,7 @@ class ToolbarModel(QObject):
 
             localized_data[
                 "members_count"
-            ] = self.blockchain_service.current_members_count()
+            ] = self.blockchain_service.last_members_count()
 
             computed_dividend = self.blockchain_service.computed_dividend()
             # display float values
@@ -109,7 +109,7 @@ class ToolbarModel(QObject):
             ).diff_localized(False, True)
 
             localized_data["mass"] = self.app.current_ref.instance(
-                self.blockchain_service.current_mass(), self.app.currency, self.app
+                self.blockchain_service.last_monetary_mass(), self.app.currency, self.app
             ).localized(False, True)
 
             ud_median_time = self.blockchain_service.last_ud_time()
@@ -145,22 +145,19 @@ class ToolbarModel(QObject):
             )
 
             if last_ud:
-                mass_minus_1_per_member = (
+                mass_per_member = (
                     float(0)
                     if last_ud == 0 or last_members_count == 0
                     else last_mass / last_members_count
                 )
-                localized_data["members_count_minus_1"] = last_members_count
+                localized_data["members_count"] = last_members_count
                 localized_data[
-                    "mass_minus_1_per_member"
+                    "mass_per_member"
                 ] = self.app.current_ref.instance(
-                    mass_minus_1_per_member, self.app.currency, self.app
+                    mass_per_member, self.app.currency, self.app
                 ).localized(
                     False, True
                 )
-                localized_data["mass_minus_1"] = self.app.current_ref.instance(
-                    last_mass, self.app.currency, self.app
-                ).localized(False, True)
                 # avoid divide by zero !
                 if last_members_count == 0:
                     localized_data["actual_growth"] = float(0)
diff --git a/src/sakia/gui/main_window/toolbar/view.py b/src/sakia/gui/main_window/toolbar/view.py
index 60bb65bfadd6d12386a92a5f7e3e134e6b737407..ddd83e78d97942f7583db80595c21811bacf01a7 100644
--- a/src/sakia/gui/main_window/toolbar/view.py
+++ b/src/sakia/gui/main_window/toolbar/view.py
@@ -209,12 +209,12 @@ class ToolbarView(QFrame, Ui_SakiaToolbar):
             self.tr("Universal Dividend UD(t) in"),
             localized_data["diff_units"],
             localized_data.get("mass", "###"),
-            self.tr("Monetary Mass M in"),
+            self.tr("Monetary Mass M(t) in"),
             localized_data["units"],
             localized_data.get("members_count", "####"),
-            self.tr("Members N"),
-            localized_data.get("mass_minus_1_per_member", "####"),
-            self.tr("Monetary Mass per member M(t-1)/N(t-1) in"),
+            self.tr("Members N(t)"),
+            localized_data.get("mass_per_member", "####"),
+            self.tr("Monetary Mass per member M(t)/N(t) in"),
             localized_data["diff_units"],
             localized_data.get("actual_growth", 0),
             localized_data.get("days_per_dividend", "####"),
@@ -249,14 +249,14 @@ class ToolbarView(QFrame, Ui_SakiaToolbar):
                 localized_data["growth"], localized_data["days_per_dividend"]
             ),
             self.tr("Fundamental growth (c) / Delta time (dt)"),
-            self.tr("UDĞ(t) = UDĞ(t-1) + c²*M(t-1)/N(t-1)"),
+            self.tr("UDĞ(t) = UDĞ(t-1) + c²*M(t)/N(t)"),
             self.tr("Universal Dividend (formula)"),
             self.tr("{:} = {:} + {:2.2%}² * {:} / {:}").format(
                 localized_data.get("ud_plus_1", "####"),
                 localized_data.get("ud", "####"),
                 localized_data.get("growth", "####"),
-                localized_data.get("mass_minus_1", "####"),
-                localized_data.get("members_count_minus_1", "####"),
+                localized_data.get("mass", "####"),
+                localized_data.get("members_count", "####"),
             ),
             self.tr("Universal Dividend (computed)"),
         )