diff --git a/core/palettes/CupertinoDark.tid b/core/palettes/CupertinoDark.tid
index 956602a0f..7df078296 100644
--- a/core/palettes/CupertinoDark.tid
+++ b/core/palettes/CupertinoDark.tid
@@ -87,7 +87,7 @@ tiddler-border: transparent
 tiddler-controls-foreground-hover: <<colour sidebar-controls-foreground-hover>>
 tiddler-controls-foreground-selected: <<colour sidebar-controls-foreground-hover>>
 tiddler-controls-foreground: #48484A
-tiddler-editor-background: transparent
+tiddler-editor-background: <<colour background>>
 tiddler-editor-border-image: 
 tiddler-editor-border: rgba(255, 255, 255, 0.08)
 tiddler-editor-fields-even: rgba(255, 255, 255, 0.1)