diff --git a/activity_browser/ui/tables/impact_categories.py b/activity_browser/ui/tables/impact_categories.py
index c74eb93cd..a93c68e4e 100644
--- a/activity_browser/ui/tables/impact_categories.py
+++ b/activity_browser/ui/tables/impact_categories.py
@@ -255,17 +255,17 @@ def __init__(self, parent=None):
         super().__init__(parent)
         self.model = MethodCharacterizationFactorsModel(parent=self)
         self.setVisible(False)
-        self.setItemDelegateForColumn(2, FloatDelegate(self))
-        self.setItemDelegateForColumn(4, UncertaintyDelegate(self))
-        self.setItemDelegateForColumn(6, FloatDelegate(self))
+        self.setItemDelegateForColumn(3, FloatDelegate(self))
+        self.setItemDelegateForColumn(5, UncertaintyDelegate(self))
         self.setItemDelegateForColumn(7, FloatDelegate(self))
         self.setItemDelegateForColumn(8, FloatDelegate(self))
         self.setItemDelegateForColumn(9, FloatDelegate(self))
         self.setItemDelegateForColumn(10, FloatDelegate(self))
+        self.setItemDelegateForColumn(11, FloatDelegate(self))
 
         self.model.updated.connect(self.update_proxy_model)
         self.model.updated.connect(self.set_filter_data)
-        self.model.updated.connect(lambda: self.setColumnHidden(5, True))
+        self.model.updated.connect(lambda: self.setColumnHidden(6, True))
 
         self.read_only = True
         self.setAcceptDrops(not self.read_only)
diff --git a/activity_browser/ui/tables/models/impact_categories.py b/activity_browser/ui/tables/models/impact_categories.py
index 9a332d558..0753303fc 100644
--- a/activity_browser/ui/tables/models/impact_categories.py
+++ b/activity_browser/ui/tables/models/impact_categories.py
@@ -295,8 +295,8 @@ def search_tree(tree: dict, query: str, matches: int = 0) -> (dict, int):
 
 
 class MethodCharacterizationFactorsModel(EditablePandasModel):
-    COLUMNS = ["name", "categories", "amount", "unit"]
-    HEADERS = ["Name", "Category", "Amount", "Unit", "Uncertainty"] + ["cf"]
+    COLUMNS = ["name", "categories", "database", "amount", "unit"]
+    HEADERS = ["Name", "Category", "Database", "Amount", "Unit", "Uncertainty"] + ["cf"]
     UNCERTAINTY = ["loc", "scale", "shape", "minimum", "maximum"]
 
     def __init__(self, parent=None):