diff --git a/database/EstimatedCall.go b/database/EstimatedCall.go
index ac7cf3b..56c797b 100644
--- a/database/EstimatedCall.go
+++ b/database/EstimatedCall.go
@@ -1,7 +1,9 @@
 package database
 
 import (
+	"crypto/md5"
 	"database/sql"
+	"encoding/hex"
 	"fmt"
 )
 
@@ -13,6 +15,17 @@ func InsertOrUpdateEstimatedCall(db *sql.DB, values []interface{}) (int, string,
 		}
 	}
 
+	// Convert values to a single string and hash it using MD5
+	var valuesString string
+	for _, v := range values {
+		if v != nil {
+			valuesString += fmt.Sprintf("%v", v)
+		}
+	}
+	hash := md5.Sum([]byte(valuesString))
+	hashString := hex.EncodeToString(hash[:])
+	println(hashString)
+
 	query := `
         INSERT INTO calls (
             estimatedvehiclejourney, "order", stoppointref,