diff --git a/lib/db/queries/stats.ts b/lib/db/queries/stats.ts
index 45484e8..2ee40b7 100644
--- a/lib/db/queries/stats.ts
+++ b/lib/db/queries/stats.ts
@@ -37,9 +37,15 @@ export async function getSessionsSummary() {
 }
 
 export async function getSessionTimeline(playSessionId: number, bucketMs = 1000) {
+  // Reuse the same expression object (not a `sql`bucket`` alias reference)
+  // in groupBy/orderBy - drizzle doesn't emit a literal `AS bucket` that
+  // SQLite's GROUP BY/ORDER BY could resolve a bare "bucket" identifier
+  // against, so referencing it by name causes "no such column: bucket".
+  const bucket = sql<number>`(${sessionEvents.tsMs} / ${bucketMs}) * ${bucketMs}`;
+
   return db
     .select({
-      bucket: sql<number>`(${sessionEvents.tsMs} / ${bucketMs}) * ${bucketMs}`,
+      bucket,
       sessionDeviceId: sessionEvents.sessionDeviceId,
       slotLabel: sessionDevices.slotLabel,
       avgValue: sql<number>`avg(${sessionEvents.value})`,
@@ -48,8 +54,8 @@ export async function getSessionTimeline(playSessionId: number, bucketMs = 1000)
     .from(sessionEvents)
     .innerJoin(sessionDevices, eq(sessionEvents.sessionDeviceId, sessionDevices.id))
     .where(and(eq(sessionEvents.playSessionId, playSessionId), ne(sessionEvents.commandType, "stop")))
-    .groupBy(sql`bucket`, sessionEvents.sessionDeviceId)
-    .orderBy(sql`bucket`);
+    .groupBy(bucket, sessionEvents.sessionDeviceId)
+    .orderBy(bucket);
 }
 
 export async function getDeviceUsageStats() {
diff --git a/package.json b/package.json
index 265ca58..69a2a24 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sexy",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "private": true,
   "scripts": {
     "dev": "next dev",