diff --git a/kfet/management/commands/loadkfetdevdata.py b/kfet/management/commands/loadkfetdevdata.py
index 8519be08..91a7dc7c 100644
--- a/kfet/management/commands/loadkfetdevdata.py
+++ b/kfet/management/commands/loadkfetdevdata.py
@@ -134,7 +134,7 @@ class Command(MyBaseCommand):
                     ope = Operation(
                         group=opegroup,
                         type=Operation.WITHDRAW,
-                        amount=Decimal(random.randint(1, 99)/10,)
+                        amount=-Decimal(random.randint(1, 99)/10,)
                     )
                 else:
                     article = random.choice(articles)