diff --git a/server/routes.ts b/server/routes.ts
index 0f83184..e563a53 100644
--- a/server/routes.ts
+++ b/server/routes.ts
@@ -3708,7 +3708,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
         .where(
           and(
             eq(shiftAssignments.guardId, routeData.guardId),
-            eq(shifts.shiftDate, routeData.shiftDate)
+            sql`DATE(${shifts.startTime}) = ${routeData.shiftDate}`
           )
         )
         .limit(1);