diff --git a/MoneyMap/Services/OpenAIReceiptParser.cs b/MoneyMap/Services/OpenAIReceiptParser.cs
index 7214688..f150a1b 100644
--- a/MoneyMap/Services/OpenAIReceiptParser.cs
+++ b/MoneyMap/Services/OpenAIReceiptParser.cs
@@ -88,8 +88,9 @@ namespace MoneyMap.Services
                     mediaType = receipt.ContentType;
                 }
 
-                // Call OpenAI Vision API
-                var parseData = await CallOpenAIVisionAsync(apiKey, base64Data, mediaType);
+                // Call OpenAI Vision API with transaction name context
+                var transactionName = receipt.Transaction?.Name;
+                var parseData = await CallOpenAIVisionAsync(apiKey, base64Data, mediaType, transactionName);
 
                 // Update receipt with parsed data
                 receipt.Merchant = parseData.Merchant;
@@ -172,22 +173,10 @@ namespace MoneyMap.Services
             });
         }
 
-        private async Task<ParsedReceiptData> CallOpenAIVisionAsync(string apiKey, string base64Image, string mediaType)
+        private async Task<ParsedReceiptData> CallOpenAIVisionAsync(string apiKey, string base64Image, string mediaType, string? transactionName = null)
         {
-            var requestBody = new
-            {
-                model = "gpt-4o-mini",
-                messages = new[]
-                {
-                    new
-                    {
-                        role = "user",
-                        content = new object[]
-                        {
-                            new
-                            {
-                                type = "text",
-                                text = @"Analyze this receipt image and extract the following information as JSON:
+            // Build the prompt with optional transaction context
+            var promptText = @"Analyze this receipt image and extract the following information as JSON:
 {
   ""merchant"": ""store name"",
   ""receiptDate"": ""YYYY-MM-DD"" (or null if not found),
@@ -211,9 +200,29 @@ Extract all line items you can see on the receipt. For each item:
 - unitPrice: Price per unit if quantity applies, otherwise null
 - lineTotal: The total amount for this line (required)
 
-For utility bills, service charges, fees, and taxes - these are NOT products with quantities, so set quantity and unitPrice to null.
+For utility bills, service charges, fees, and taxes - these are NOT products with quantities, so set quantity and unitPrice to null.";
 
-Respond ONLY with valid JSON, no other text."
+            if (!string.IsNullOrWhiteSpace(transactionName))
+            {
+                promptText += $"\n\nNote: This transaction was recorded as \"{transactionName}\" in the bank statement, which may help identify the merchant if the receipt is unclear.";
+            }
+
+            promptText += "\n\nRespond ONLY with valid JSON, no other text.";
+
+            var requestBody = new
+            {
+                model = "gpt-4o-mini",
+                messages = new[]
+                {
+                    new
+                    {
+                        role = "user",
+                        content = new object[]
+                        {
+                            new
+                            {
+                                type = "text",
+                                text = promptText
                             },
                             new
                             {