diff --git a/app/modules/loyalty/static/store/js/loyalty-terminal.js b/app/modules/loyalty/static/store/js/loyalty-terminal.js
index cc648680..8ea4ed16 100644
--- a/app/modules/loyalty/static/store/js/loyalty-terminal.js
+++ b/app/modules/loyalty/static/store/js/loyalty-terminal.js
@@ -225,7 +225,7 @@ function storeLoyaltyTerminal() {
             loyaltyTerminalLog.info('Adding stamp...');
 
             await apiClient.post('/store/loyalty/stamp', {
-                card_id: this.selectedCard.id,
+                card_id: this.selectedCard.card_id,
                 staff_pin: this.pinDigits
             });
 
@@ -237,7 +237,7 @@ function storeLoyaltyTerminal() {
             loyaltyTerminalLog.info('Redeeming stamps...');
 
             await apiClient.post('/store/loyalty/stamp/redeem', {
-                card_id: this.selectedCard.id,
+                card_id: this.selectedCard.card_id,
                 staff_pin: this.pinDigits
             });
 
@@ -249,7 +249,7 @@ function storeLoyaltyTerminal() {
             loyaltyTerminalLog.info('Earning points...', { amount: this.earnAmount });
 
             const response = await apiClient.post('/store/loyalty/points/earn', {
-                card_id: this.selectedCard.id,
+                card_id: this.selectedCard.card_id,
                 purchase_amount_cents: Math.round(this.earnAmount * 100),
                 staff_pin: this.pinDigits
             });
@@ -268,7 +268,7 @@ function storeLoyaltyTerminal() {
             loyaltyTerminalLog.info('Redeeming reward...', { reward: reward.name });
 
             await apiClient.post('/store/loyalty/points/redeem', {
-                card_id: this.selectedCard.id,
+                card_id: this.selectedCard.card_id,
                 reward_id: this.selectedReward,
                 staff_pin: this.pinDigits
             });
@@ -281,7 +281,7 @@ function storeLoyaltyTerminal() {
         // Refresh card data
         async refreshCard() {
             try {
-                const response = await apiClient.get(`/store/loyalty/cards/${this.selectedCard.id}`);
+                const response = await apiClient.get(`/store/loyalty/cards/${this.selectedCard.card_id}`);
                 if (response) {
                     this.selectedCard = response;
                 }