diff --git a/runtime/themes/base16_terminal.toml b/runtime/themes/base16_terminal.toml
index 6864c0eb..c8530c79 100644
--- a/runtime/themes/base16_terminal.toml
+++ b/runtime/themes/base16_terminal.toml
@@ -15,6 +15,7 @@
 "ui.cursor.primary" = { fg = "light-gray", modifiers = ["reversed"] }
 "ui.virtual.whitespace" = "light-gray"
 "ui.virtual.jump-label" = { fg = "blue", modifiers = ["bold", "underlined"] }
+"ui.virtual.ruler" = { bg = "black" }
 "variable" = "light-red"
 "constant.numeric" = "yellow"
 "constant" = "yellow"