diff --git a/src/themes/default/modules/popup.variables b/src/themes/default/modules/popup.variables
index c7e0db826b..1b06ae1966 100644
--- a/src/themes/default/modules/popup.variables
+++ b/src/themes/default/modules/popup.variables
@@ -43,7 +43,7 @@
 @border: @borderWidth solid @borderColor;
 
 /* Arrow */
-@arrowBackground: @white;
+@arrowBackground: @background;
 @arrowZIndex: 2;
 @arrowJitter: 0.05em;
 @arrowOffset: -(@arrowSize / 2) + @arrowJitter;