diff --git a/win-linux/res/styles/theme-contrast-dark.json b/win-linux/res/styles/theme-contrast-dark.json
index a13c6495b..f388b42da 100644
--- a/win-linux/res/styles/theme-contrast-dark.json
+++ b/win-linux/res/styles/theme-contrast-dark.json
@@ -5,7 +5,7 @@
         "brand-word": "#1e1e1e",
         "brand-slide": "#1e1e1e",
         "brand-cell": "#1e1e1e",
-        "brand-pdf": "#2a2a2a",
+        "brand-pdf": "#1e1e1e",
 
         "window-background": "#2a2a2a",
         "window-border": "#616161",