diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3c12228cc..0b971ee536 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ All notable changes to this project will be documented in this file.
 ### Changed
 ### Removed
 ### Fixed
+* ui: Avoid npe caused by `isEmpty()` check on a null shopping cart
 
 ## [0.72.4] 
 ### Added
diff --git a/ui/src/main/java/io/snabble/sdk/ui/cart/PaymentSelectionHelper.java b/ui/src/main/java/io/snabble/sdk/ui/cart/PaymentSelectionHelper.java
index 71f56ba4d9..7b672e5584 100644
--- a/ui/src/main/java/io/snabble/sdk/ui/cart/PaymentSelectionHelper.java
+++ b/ui/src/main/java/io/snabble/sdk/ui/cart/PaymentSelectionHelper.java
@@ -415,8 +415,9 @@ public boolean shouldShowBigSelector() {
     }
 
     public boolean shouldShowPayButton() {
-        boolean onlinePaymentAvailable = cart.getAvailablePaymentMethods() != null && !cart.getAvailablePaymentMethods().isEmpty();
-        return cart.getTotalPrice() >= 0 && (onlinePaymentAvailable || selectedEntry.getValue() != null);
+        final ShoppingCart shoppingCart = cart;
+        boolean onlinePaymentAvailable = shoppingCart.getAvailablePaymentMethods() != null && !shoppingCart.getAvailablePaymentMethods().isEmpty();
+        return shoppingCart.getTotalPrice() >= 0 && (onlinePaymentAvailable || selectedEntry.getValue() != null);
     }
 
     public boolean shouldShowGooglePayButton() {