diff --git a/src/currentCustomerAccountBalance.c b/src/currentCustomerAccountBalance.c
index 9f415f9..a91e306 100644
--- a/src/currentCustomerAccountBalance.c
+++ b/src/currentCustomerAccountBalance.c
@@ -46,9 +46,9 @@ float getAvailableAccountBalance(int user_id) {
     strcat(stringID, user_id_as_string);
     // Now stringID is "ID=user_id"
 
-    FILE *file = fopen("CustomerData.txt", "r"); 
+    FILE *file = fopen(CUSTOMER_DATA_FILE, "r"); 
     if(file == 0) {
-        printf("Error: customer data file cannot be opened!");
+        printf("Error: customer data file cannot be opened!\n");
         return 0;
     }
     else {