diff --git a/src/sentry.ts b/src/sentry.ts
new file mode 100644
index 0000000..eefe9c5
--- /dev/null
+++ b/src/sentry.ts
@@ -0,0 +1,11 @@
+import { Conf } from './config.ts';
+import { Sentry } from './deps.ts';
+
+// Sentry
+if (Conf.sentryDsn) {
+  console.log('Sentry enabled');
+  Sentry.init({
+    dsn: Conf.sentryDsn,
+    tracesSampleRate: 1.0,
+  });
+}
diff --git a/src/server.ts b/src/server.ts
index 9dbb449..2a1906b 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -1,15 +1,5 @@
 import './precheck.ts';
+import './sentry.ts';
 import app from './app.ts';
-import { Conf } from './config.ts';
-import { Sentry } from './deps.ts';
-
-// Sentry
-if (Conf.sentryDsn) {
-  console.log('Sentry enabled');
-  Sentry.init({
-    dsn: Conf.sentryDsn,
-    tracesSampleRate: 1.0,
-  });
-}
 
 Deno.serve(app.fetch);
diff --git a/src/workers/sqlite.worker.ts b/src/workers/sqlite.worker.ts
index c79f078..6f42213 100644
--- a/src/workers/sqlite.worker.ts
+++ b/src/workers/sqlite.worker.ts
@@ -1,6 +1,7 @@
 /// <reference lib="webworker" />
 
-import { Comlink, type CompiledQuery, DenoSqlite3, type QueryResult } from '@/deps.ts';
+import { Comlink, type CompiledQuery, DenoSqlite3, type QueryResult, Sentry } from '@/deps.ts';
+import '@/sentry.ts';
 
 let db: DenoSqlite3 | undefined;
 
@@ -10,11 +11,16 @@ export const SqliteWorker = {
   },
   executeQuery<R>({ sql, parameters }: CompiledQuery): QueryResult<R> {
     if (!db) throw new Error('Database not open');
-    return {
-      rows: db.prepare(sql).all(...parameters as any[]) as R[],
-      numAffectedRows: BigInt(db.changes),
-      insertId: BigInt(db.lastInsertRowId),
-    };
+
+    const result: QueryResult<R> = Sentry.startSpan({ name: sql, op: 'db.query' }, () => {
+      return {
+        rows: db!.prepare(sql).all(...parameters as any[]) as R[],
+        numAffectedRows: BigInt(db!.changes),
+        insertId: BigInt(db!.lastInsertRowId),
+      };
+    });
+
+    return result;
   },
   destroy() {
     db?.close();