diff --git a/runtime/themes/base16_default_light.toml b/runtime/themes/base16_default_light.toml
index e89a9d1b..16e38e74 100644
--- a/runtime/themes/base16_default_light.toml
+++ b/runtime/themes/base16_default_light.toml
@@ -14,6 +14,7 @@
 "ui.cursor.primary" = { fg = "base05", modifiers = ["reversed"] }
 "ui.virtual.whitespace" = "base03"
 "ui.virtual.jump-label" = { fg = "blue", modifiers = ["bold", "underlined"] }
+"ui.virtual.ruler" = { bg = "base01" }
 "ui.text" = "base05"
 "operator" = "base05"
 "ui.text.focus" = "base05"