diff --git a/budget/models.py b/budget/models.py
index 852b3e19..2b3e44a4 100644
--- a/budget/models.py
+++ b/budget/models.py
@@ -224,11 +224,11 @@ class Bill(db.Model):
 
     def pay_each(self):
         """Compute what each share has to pay"""
-	if self.owers:
+        if self.owers:
                 # FIXME: SQL might dot that more efficiently
-		return self.amount / sum(i.weight for i in self.owers)
-	else:
-		return 0
+                return self.amount / sum(i.weight for i in self.owers)
+        else:
+                return 0
 
     def __repr__(self):
         return "<Bill of %s from %s for %s>" % (self.amount,