diff --git a/frontend/src/pages/transactions/TransactionFormModal.tsx b/frontend/src/pages/transactions/TransactionFormModal.tsx
index 14b6700..7382318 100644
--- a/frontend/src/pages/transactions/TransactionFormModal.tsx
+++ b/frontend/src/pages/transactions/TransactionFormModal.tsx
@@ -2,7 +2,7 @@ import { useForm } from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
 import { z } from "zod";
 import { format } from "date-fns";
-import { X, Loader2, Sparkles } from "lucide-react";
+import { X, Loader2, Sparkles, RotateCcw } from "lucide-react";
 import type { Account } from "@/api/accounts";
 
 const schema = z.object({
@@ -40,9 +40,11 @@ interface Props {
   initialValues?: TransactionInitialValues;
   parsedFromReceipt?: boolean;
   showAiDebug?: boolean;
+  onRescan?: () => void;
+  rescanLoading?: boolean;
 }
 
-export default function TransactionFormModal({ accounts, categories, onClose, onSubmit, isLoading, initialValues, parsedFromReceipt, showAiDebug }: Props) {
+export default function TransactionFormModal({ accounts, categories, onClose, onSubmit, isLoading, initialValues, parsedFromReceipt, showAiDebug, onRescan, rescanLoading }: Props) {
   const { register, handleSubmit, watch, formState: { errors } } = useForm<Form>({
     resolver: zodResolver(schema),
     defaultValues: {
@@ -89,14 +91,40 @@ export default function TransactionFormModal({ accounts, categories, onClose, on
           {parsedFromReceipt && !showAiDebug && (
             <div className="flex items-center gap-2 bg-primary/10 border border-primary/20 rounded-lg px-3 py-2 text-xs text-primary">
               <Sparkles className="w-3.5 h-3.5 shrink-0" />
-              Fields pre-filled from receipt — review before saving
+              <span className="flex-1">Fields pre-filled from receipt — review before saving</span>
+              {onRescan && (
+                <button
+                  type="button"
+                  onClick={onRescan}
+                  disabled={rescanLoading || isLoading}
+                  className="flex items-center gap-1 text-primary/70 hover:text-primary disabled:opacity-40 transition-colors shrink-0"
+                  title="Rescan the same receipt"
+                >
+                  {rescanLoading ? <Loader2 className="w-3.5 h-3.5 animate-spin" /> : <RotateCcw className="w-3.5 h-3.5" />}
+                  Rescan
+                </button>
+              )}
             </div>
           )}
           {parsedFromReceipt && showAiDebug && (
             <div className="bg-primary/5 border border-primary/20 rounded-lg p-3 space-y-2">
-              <p className="text-xs font-semibold text-primary flex items-center gap-1.5">
-                <Sparkles className="w-3.5 h-3.5" /> AI scan result — review before saving
-              </p>
+              <div className="flex items-center justify-between">
+                <p className="text-xs font-semibold text-primary flex items-center gap-1.5">
+                  <Sparkles className="w-3.5 h-3.5" /> AI scan result — review before saving
+                </p>
+                {onRescan && (
+                  <button
+                    type="button"
+                    onClick={onRescan}
+                    disabled={rescanLoading || isLoading}
+                    className="flex items-center gap-1 text-xs text-primary/70 hover:text-primary disabled:opacity-40 transition-colors"
+                    title="Rescan the same receipt"
+                  >
+                    {rescanLoading ? <Loader2 className="w-3.5 h-3.5 animate-spin" /> : <RotateCcw className="w-3.5 h-3.5" />}
+                    Rescan
+                  </button>
+                )}
+              </div>
               <div className="grid grid-cols-2 gap-x-4 gap-y-1 text-xs">
                 <span className="text-muted-foreground">Merchant</span><span className="font-medium truncate">{initialValues?.merchant ?? <span className="text-destructive/70 italic">not detected</span>}</span>
                 <span className="text-muted-foreground">Amount</span><span className="font-medium">{initialValues?.amount != null ? initialValues.amount : <span className="text-destructive/70 italic">not detected</span>}</span>
diff --git a/frontend/src/pages/transactions/TransactionList.tsx b/frontend/src/pages/transactions/TransactionList.tsx
index f2d044b..3be9dce 100644
--- a/frontend/src/pages/transactions/TransactionList.tsx
+++ b/frontend/src/pages/transactions/TransactionList.tsx
@@ -55,6 +55,8 @@ export default function TransactionList() {
   const receiptFileRef = useRef<File | null>(null);
   const [scanError, setScanError] = useState<string | null>(null);
   const [scanning, setScanning] = useState(false);
+  const [rescanLoading, setRescanLoading] = useState(false);
+  const [rescanKey, setRescanKey] = useState(0);
   const receiptInputRef = useRef<HTMLInputElement>(null);
   const [search, setSearch] = useState("");
   const [filterType, setFilterType] = useState("");
@@ -113,6 +115,27 @@ export default function TransactionList() {
     }
   }
 
+  async function handleRescan() {
+    if (!receiptFileRef.current) return;
+    setRescanLoading(true);
+    setScanError(null);
+    try {
+      const parsed = await parseReceiptFile(receiptFileRef.current);
+      setReceiptParsed(parsed);
+      setRescanKey((k) => k + 1);
+    } catch (e: any) {
+      const detail = e?.response?.data?.detail;
+      const status = e?.response?.status;
+      if (detail) {
+        setScanError(typeof detail === "string" ? detail : `HTTP ${status}: ${JSON.stringify(detail)}`);
+      } else {
+        setScanError(`Rescan failed — ${e?.message ?? "unknown error"}`);
+      }
+    } finally {
+      setRescanLoading(false);
+    }
+  }
+
   async function handleReceiptFile(file: File) {
     setScanning(true);
     setScanError(null);
@@ -368,6 +391,7 @@ export default function TransactionList() {
 
       {showForm && (
         <TransactionFormModal
+          key={rescanKey}
           accounts={accounts}
           categories={categories}
           onClose={() => { setShowForm(false); setReceiptParsed(null); receiptFileRef.current = null; }}
@@ -384,6 +408,8 @@ export default function TransactionList() {
           } : undefined}
           parsedFromReceipt={!!receiptParsed}
           showAiDebug={aiSettings?.debug ?? false}
+          onRescan={handleRescan}
+          rescanLoading={rescanLoading}
         />
       )}