diff --git a/commands/update_gui.py b/commands/update_gui.py
index 80d45c75..6fc5df56 100644
--- a/commands/update_gui.py
+++ b/commands/update_gui.py
@@ -261,7 +261,7 @@ def validate(self, widget):
             # asking price as a buy-back price. If the user gives
             # us something out of those bounds, check with them.
             if paying < asking * 0.75 or \
-                    paying < asking - 127:
+                    paying < asking - 200:
                 widget.bell()
                 ok = mbox.askokcancel(
                         "Are you sure about that?",