diff --git a/app/game-engine/src/turn/incomeHandler.ts b/app/game-engine/src/turn/incomeHandler.ts
index e014884e..fe3252fd 100644
--- a/app/game-engine/src/turn/incomeHandler.ts
+++ b/app/game-engine/src/turn/incomeHandler.ts
@@ -174,7 +174,10 @@ const processIncomeForNation = (
         world.updateNation(nation.id, { rice: next, meta: nextMeta });
     }
 
-    const incomeText = incomeValue.toLocaleString();
+    // Ref keeps the fractional pre-flush value for the payout ratio and
+    // prev_income_* metadata, but number_format() rounds the user-facing log
+    // to the same integer precision as the persisted resource column.
+    const incomeText = Math.round(incomeValue).toLocaleString('en-US');
     const incomeLog =
         type === 'gold' ? `이번 수입은 금 <C>${incomeText}</>입니다.` : `이번 수입은 쌀 <C>${incomeText}</>입니다.`;
     for (const general of nationGenerals) {
diff --git a/app/game-engine/test/monthlyCoreEventAction.test.ts b/app/game-engine/test/monthlyCoreEventAction.test.ts
index 2e65f899..0b1532db 100644
--- a/app/game-engine/test/monthlyCoreEventAction.test.ts
+++ b/app/game-engine/test/monthlyCoreEventAction.test.ts
@@ -373,6 +373,13 @@ describe('core monthly event actions at the real month boundary', () => {
         await world.advanceMonth(new Date('0191-01-01T00:00:00.000Z'));
 
         expect(world.getNationById(1)?.meta.prev_income_gold).toBe(157.5);
+        expect(world.peekDirtyState().logs).toContainEqual(
+            expect.objectContaining({
+                generalId: 1,
+                text: '이번 수입은 금 <C>158</>입니다.',
+            })
+        );
+        expect(world.peekDirtyState().logs.map((entry) => entry.text).join('\n')).not.toContain('157.5');
     });
 
     it('uses the Ref default nation resource floors when scenario const omits them', async () => {
diff --git a/app/game-frontend/e2e/legacyLogHtml.spec.ts b/app/game-frontend/e2e/legacyLogHtml.spec.ts
index 66f73ea5..e1e1efee 100644
--- a/app/game-frontend/e2e/legacyLogHtml.spec.ts
+++ b/app/game-frontend/e2e/legacyLogHtml.spec.ts
@@ -23,6 +23,10 @@ const history = [
             '<span class="war_type war_type_attack">→</span><span class="ev_highlight">강조</span>' +
             '<span class="name" onclick="globalThis.__legacyLogXss=3">오염 이름</span></div>',
     },
+    {
+        id: 3,
+        text: '이번 수입은 금 <C>158</>입니다.',
+    },
 ];
 
 const publicResponse = (operation: string): unknown => {
@@ -59,10 +63,12 @@ for (const viewport of [
         await page.goto('public');
 
         const lines = page.locator('.recent-log-line');
-        await expect(lines).toHaveCount(2);
+        await expect(lines).toHaveCount(3);
         await expect(lines.nth(0).locator('b')).toHaveText('안전 강조');
         await expect(lines.nth(1).locator('.small_war_log .war_type_attack')).toHaveText('→');
         await expect(lines.nth(1).locator('.ev_highlight')).toHaveText('강조');
+        await expect(lines.nth(2)).toHaveText('이번 수입은 금 158입니다.');
+        await expect(lines.nth(2)).not.toContainText('157.5');
         await expect(lines.locator('script, img, svg, a, [onerror], [onclick], [style*="url"]')).toHaveCount(0);
         await expect(lines.nth(0)).toContainText('<img src=x onerror=');
         await expect(lines.nth(1)).toContainText('<span class="name" onclick=');