diff --git a/backend/src/utils/liquidityForecast.ts b/backend/src/utils/liquidityForecast.ts
index 986d40f..e9d8b3d 100644
--- a/backend/src/utils/liquidityForecast.ts
+++ b/backend/src/utils/liquidityForecast.ts
@@ -157,7 +157,7 @@ const detectRecurringHeuristically = (statements: any[]): RecurringCandidate[] =
 
     statements.forEach((statement) => {
         const parsedDate = dayjs(statement.valueDate || statement.date);
-        if (!parsedDate.isValid()) return;
+        if (!parsedDate.isValid() || Number(statement.amount || 0) >= 0) return;
 
         const partner = normalizeText(getStatementPartner(statement));
         const purpose = normalizeText(statement.text).split(" ").slice(0, 5).join(" ");
@@ -236,6 +236,7 @@ const detectRecurringWithAi = async (server: FastifyInstance, statements: any[])
 
         return (completion.choices[0].message.parsed?.candidates || [])
             .filter((candidate) => dayjs(candidate.nextDate).isValid())
+            .filter((candidate) => Number(candidate.amount || 0) < 0)
             .map((candidate) => ({
                 ...candidate,
                 amount: roundMoney(candidate.amount),
@@ -270,6 +271,7 @@ const mergeRecurringCandidates = (heuristic: RecurringCandidate[], ai: Recurring
             ...candidate,
             key: getRecurringKey(candidate),
         }))
+        .filter((candidate) => Number(candidate.amount || 0) < 0)
         .filter((candidate) => Math.abs(candidate.amount) >= 1)
         .sort((a, b) => a.nextDate.localeCompare(b.nextDate));
 };