diff --git a/electrum/gui/kivy/data/style.kv b/electrum/gui/kivy/data/style.kv
index 1bbc60093..b8c3e9aea 100644
--- a/electrum/gui/kivy/data/style.kv
+++ b/electrum/gui/kivy/data/style.kv
@@ -436,6 +436,7 @@
 # Popup widget
 <Popup>:
     _container: container
+    background_color: (0, 0, 0, 0.7)
     GridLayout:
         padding: '12dp'
         cols: 1