diff --git a/res/themes/light-high-contrast/css/_light-high-contrast.scss b/res/themes/light-high-contrast/css/_light-high-contrast.scss
index 6e9394f548..0c5d48314c 100644
--- a/res/themes/light-high-contrast/css/_light-high-contrast.scss
+++ b/res/themes/light-high-contrast/css/_light-high-contrast.scss
@@ -125,3 +125,7 @@ $roomtopic-color: $secondary-content;
         }
     }
 }
+
+.mx_Dialog_buttons button.mx_LocationPicker_cancelButton::before {
+    background-color: $background !important;
+}