diff --git a/gui/kivy/uix/screens.py b/gui/kivy/uix/screens.py
index 0f253bd8..bb2a6695 100644
--- a/gui/kivy/uix/screens.py
+++ b/gui/kivy/uix/screens.py
@@ -164,7 +164,7 @@ class HistoryScreen(CScreen):
             ri.icon = icon
             ri.date = date_time
             ri.message = message
-            ri.value = value if value is not None else 0
+            ri.value = value or 0
             ri.value_known = value is not None
             ri.quote_text = quote_text
             ri.confirmations = conf