diff --git a/apps/web/src/pages/FinancePage.tsx b/apps/web/src/pages/FinancePage.tsx
index 3fdf434..57a6dcc 100644
--- a/apps/web/src/pages/FinancePage.tsx
+++ b/apps/web/src/pages/FinancePage.tsx
@@ -73,7 +73,7 @@ export function FinancePage() {
                 <YAxis hide />
                 <Tooltip
                   contentStyle={{ backgroundColor: '#1e293b', border: '1px solid #334155', borderRadius: '8px' }}
-                  formatter={(v: number) => [formatMoney(v)]}
+                  formatter={(v: number) => formatMoney(v)}
                 />
                 <Area type="monotone" dataKey="money" stroke="#6366f1" fill="url(#cashGrad)" />
               </AreaChart>
@@ -94,7 +94,7 @@ export function FinancePage() {
                 <YAxis hide />
                 <Tooltip
                   contentStyle={{ backgroundColor: '#1e293b', border: '1px solid #334155', borderRadius: '8px' }}
-                  formatter={(v: number) => [formatMoney(v)]}
+                  formatter={(v: number) => formatMoney(v)}
                 />
                 <Line type="monotone" dataKey="revenue" stroke="#22c55e" dot={false} strokeWidth={2} />
                 <Line type="monotone" dataKey="expenses" stroke="#ef4444" dot={false} strokeWidth={2} />