diff --git a/input/models.py b/input/models.py
index 4803db7..90b7384 100755
--- a/input/models.py
+++ b/input/models.py
@@ -154,16 +154,8 @@ class Project(Volunteer):
             # self.pid = str(self.account.code) + str(self.pk).zfill(3)
             print (("Hallo Leute! Ich save jetzt mal MIT PID DANN!!!",self.pid))
 
-
-        # generation of field quartals
-        if self.end.month in [1, 2, 3]:
-            self.end_quartal = 'Q1'
-        if self.end.month in [4, 5, 6]:
-            self.end_quartal = 'Q2'
-        if self.end.month in [7, 8, 9]:
-            self.end_quartal = 'Q3'
-        if self.end.month in [10, 11, 12]:
-            self.end_quartal = 'Q4'
+        if self.end:
+            self.end_quartal = f'Q{self.end.month // 4 + 1}'
 
         super().save()