diff --git a/src/equipment/service.py b/src/equipment/service.py
index eb0610a..afca9e3 100644
--- a/src/equipment/service.py
+++ b/src/equipment/service.py
@@ -2,7 +2,7 @@ import os
 import logging
 from typing import Optional, TypedDict, Any
 
-from sqlalchemy import Select, Delete, Float, func, cast, String, text
+from sqlalchemy import Select, Delete, Float, func, cast, String, text, case
 from sqlalchemy.orm import selectinload
 from sqlalchemy.exc import SQLAlchemyError
 from sqlalchemy.ext.asyncio import AsyncSession
@@ -385,12 +385,12 @@ async def get_top_10_economic_life(*, db_session: DbSession, common) -> list[Equ
 
     query = (
         query.add_columns(
-            func.case(
+            case(
                 (
                     (current_year - Equipment.minimum_eac_year) >= 0,
                     (current_year - Equipment.minimum_eac_year),
                 ),
-                else_=None,
+                else_=0,
             ).label("economic_life")
         )
         .filter(Equipment.minimum_eac_year != None)
@@ -416,7 +416,7 @@ async def get_top_10_replacement_priorities(*, db_session: DbSession, common) ->
     # Only select rows where (current_year - Equipment.minimum_eac_year) >= 0
     query = (
         query.add_columns(
-            func.case(
+            case(
                 (
                     (current_year - Equipment.minimum_eac_year) >= 0,
                     (current_year - Equipment.minimum_eac_year),