diff --git a/app.py b/app.py
index 75b5cd2..d0f0d13 100644
--- a/app.py
+++ b/app.py
@@ -37,7 +37,7 @@ def unhandled_exception():
 
 def process_order(cart):
     global Inventory
-    tempInventory = Inventory
+    tempInventory = Inventory.copy()  # Use .copy() to prevent reference bug
     for item in cart:
         if Inventory[item['id']] <= 0:
             raise Exception("Not enough inventory for " + item['id'])
@@ -70,6 +70,10 @@ def checkout():
     print "Processing order for: " + order["email"]
     cart = order["cart"]
     
-    process_order(cart)
+    try:
+        process_order(cart)
+    except Exception as err:
+        sentry_sdk.capture_exception(err)
+        abort(500, description=str(err))
 
     return 'Success'