diff --git a/src/gfn/marc/Main.java b/src/gfn/marc/Main.java
index 168780b..03d188d 100644
--- a/src/gfn/marc/Main.java
+++ b/src/gfn/marc/Main.java
@@ -69,7 +69,7 @@ public class Main {
     static void schreibeKopfzeile(int persnr, int jahr, int monat) {
         String[] monate = {"Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September",
                 "Oktober", "November", "Dezember"};
-        System.out.println("\nMitarbeiter: " + persnr + "                             " + monate[monat + 1] + " " + jahr + "\n");
+        System.out.println("\nMitarbeiter: " + persnr + "                             " + monate[monat - 1] + " " + jahr + "\n");
         System.out.println("Tag  Kommen   Gehen    Anwesenheit    Bemerkung");
         System.out.println("========================================================");
     }