diff --git a/notebook/static/themes/theme.less b/notebook/static/themes/theme.less
index e5f471e33..0e90680d6 100644
--- a/notebook/static/themes/theme.less
+++ b/notebook/static/themes/theme.less
@@ -1,4 +1,4 @@
-@import "eighties.less";
+@import "default.less";
 
 @body-bg:                 @color-muted-1;
 @brand-primary:           @color-primary;