diff --git a/src/modules/market/stores/market.ts b/src/modules/market/stores/market.ts
index b1a11ba..7c0d8b1 100644
--- a/src/modules/market/stores/market.ts
+++ b/src/modules/market/stores/market.ts
@@ -239,14 +239,23 @@ export const useMarketStore = defineStore('market', () => {
   }
   
   const addProduct = (product: Product) => {
-    const existingIndex = products.value.findIndex(p => p.id === product.id)
+    // Lookup stallName from the current stall set — the value passed in by
+    // the caller can be stale ("Unknown Stall") if the stall event hadn't
+    // arrived yet. The reverse race (stall arrives first) is handled in
+    // addStall below.
+    const matchedStall = stalls.value.find(s => s.id === product.stall_id)
+    const enriched: Product = matchedStall
+      ? { ...product, stallName: matchedStall.name }
+      : product
+
+    const existingIndex = products.value.findIndex(p => p.id === enriched.id)
     if (existingIndex >= 0) {
-      products.value[existingIndex] = product
+      products.value[existingIndex] = enriched
     } else {
-      products.value.push(product)
+      products.value.push(enriched)
     }
   }
-  
+
   const addStall = (stall: Stall) => {
     const existingIndex = stalls.value.findIndex(s => s.id === stall.id)
     if (existingIndex >= 0) {
@@ -254,6 +263,14 @@ export const useMarketStore = defineStore('market', () => {
     } else {
       stalls.value.push(stall)
     }
+    // Re-stamp stallName on any products that arrived before this stall did
+    // (or whose stall name has changed). Direct property mutation on items
+    // in a reactive array triggers Vue's deep reactivity.
+    products.value.forEach(p => {
+      if (p.stall_id === stall.id && p.stallName !== stall.name) {
+        p.stallName = stall.name
+      }
+    })
   }
   
   const addMarket = (market: Market) => {