diff --git a/transactions/process.go b/transactions/process.go
index 34c913b..b9a8f7d 100644
--- a/transactions/process.go
+++ b/transactions/process.go
@@ -13,8 +13,8 @@ func Process(revolutFile string, aibFile string, startDate time.Time) {
   revolutLines := utils.ReadInputFile(revolutFile)
   aibLines := utils.ReadInputFile(aibFile)
 
-  report = report.AddTransactions(revolutLines)
-  report = report.AddTransactions(aibLines)
+  report = report.AddTransactions(revolutLines, true)
+  report = report.AddTransactions(aibLines, false)
 
   report.Sort()
   report.Output()
diff --git a/transactions/report.go b/transactions/report.go
index e972785..7a9205f 100644
--- a/transactions/report.go
+++ b/transactions/report.go
@@ -3,7 +3,6 @@ package transactions
 import (
   "fmt"
   "time"
-  "strings"
   "sort"
 )
 
@@ -20,8 +19,7 @@ func NewReport(startDate time.Time) *report {
   return r
 }
 
-func (r report) AddTransactions(rawData[]string) *report {
-  isRevolut := strings.HasPrefix(rawData[0], "Completed Date")
+func (r report) AddTransactions(rawData[]string, isRevolut bool) *report {
   if isRevolut {
     for i := len(rawData) - 1; i > 0; i-- {
       transaction := NewRevolutTransaction(rawData[i])