diff --git a/src/lib/server/database.ts b/src/lib/server/database.ts
index fc62494..eb6c1c9 100644
--- a/src/lib/server/database.ts
+++ b/src/lib/server/database.ts
@@ -361,7 +361,7 @@ export class User {
 
 	get_estimate_by_month(year: number, month: number): number {
 		const query = this._database.query(ESTIMATES_DATABASE_GET_QUART);
-		const res = query.get({ year: year, quarter: Math.floor((month-1) / 3) }) as EstimatesEntry;
+		const res = query.get({ year: year, quarter: Math.floor((month-1) / 3)+1 }) as EstimatesEntry;
 
 		return res?.[`estimate_${(month - 1) % 3}`] ?? NaN;
 	}