diff --git a/inventory.py b/inventory.py
index bab0ed29b8..4f7581bc42 100644
--- a/inventory.py
+++ b/inventory.py
@@ -590,7 +590,7 @@ class Count(Wizard):
         values['product'] = line.product.id
         values['uom'] = line.uom.id
         if line.uom.rounding == 1:
-            values['quantity'] = 1
+            values['quantity'] = 1.
         return values
 
     def get_line_domain(self, inventory):
diff --git a/tests/scenario_stock_inventory_count.rst b/tests/scenario_stock_inventory_count.rst
index feb5dce6c2..b1f752baed 100644
--- a/tests/scenario_stock_inventory_count.rst
+++ b/tests/scenario_stock_inventory_count.rst
@@ -83,9 +83,9 @@ Count inventory::
     ...     inventory.id, product.id)).save()
     >>> count.execute('quantity')
     >>> count.form.quantity
-    1
+    1.0
     >>> count.form.total_quantity
-    1
+    1.0
     >>> count.execute('add')
 
     >>> count.form.search = product