diff --git a/src/tt/controller/summaries.py b/src/tt/controller/summaries.py
index 22ddf4a..9e0b021 100644
--- a/src/tt/controller/summaries.py
+++ b/src/tt/controller/summaries.py
@@ -1,6 +1,6 @@
 from datetime import datetime, timedelta
 from peewee import fn, JOIN
-from .db import Task, Category, TaskStatus
+from ..db import Task, Category, TaskStatus
 
 
 def get_category_summary(num: int = 5) -> list[dict]:
@@ -101,9 +101,7 @@ def get_recently_active(num: int = 5, category: str | None = None) -> list[dict]
         List of tasks ordered by last activity (updated_at)
     """
     query = (
-        Task.select(Task, Category.name.alias("category_name"))
-        .join(Category, JOIN.LEFT_OUTER)
-        .where(~Task.deleted)
+        Task.select(Task, Category).join(Category, JOIN.LEFT_OUTER).where(~Task.deleted)
     )
 
     if category:
@@ -117,7 +115,7 @@ def get_recently_active(num: int = 5, category: str | None = None) -> list[dict]
             "text": task.text,
             "status": task.status,
             "type": task.type,
-            "category": task.category_name,
+            "category": task.category.name if task.category else None,
             "due": task.due,
             "updated_at": task.updated_at,
         }
@@ -172,7 +170,7 @@ def get_due_soon(
             "text": task.text,
             "status": task.status,
             "type": task.type,
-            "category": task.category_name,
+            "category": task.category.name if task.category else None,
             "due": task.due,
             "days_until_due": (task.due - now).days if task.due else None,
         }
diff --git a/src/tt/controller/tasks.py b/src/tt/controller/tasks.py
index 3834a3e..50525fa 100644
--- a/src/tt/controller/tasks.py
+++ b/src/tt/controller/tasks.py
@@ -1,7 +1,7 @@
 import json
 from datetime import datetime
 from peewee import fn
-from .db import db, Task, Category, TaskStatus, SavedSearch
+from ..db import db, Task, Category, TaskStatus, SavedSearch
 from peewee import Case, Value
 
 
diff --git a/src/tt/tui/editor.py b/src/tt/tui/editor.py
index 8a4fa4f..4454ed0 100644
--- a/src/tt/tui/editor.py
+++ b/src/tt/tui/editor.py
@@ -27,16 +27,18 @@ class TableColumnConfig:
         display_name: str,
         *,
         default=None,
-        enum=None,
         enable_editor=False,
+        enum=None,
+        filterable=True,
         preprocessor=None,
     ):
         self.field = field
         self.display_name = display_name
         self.default = default
-        self.enum = enum
-        self.preprocessor = preprocessor or (lambda x: x)
         self.enable_editor = enable_editor
+        self.enum = enum
+        self.filterable = filterable
+        self.preprocessor = preprocessor or (lambda x: x)
 
 
 class TableEditor(App):
@@ -285,7 +287,7 @@ class TableEditor(App):
 
     def action_start_filter(self):
         cconf = self._active_column_config()
-        if cconf.filterable:
+        if not cconf.filterable:
             return
         cur_filter_val = self.filters.get(cconf.field) or ""
         self._show_input("filter", cur_filter_val)