diff --git a/html_resources/tagmap.json b/html_resources/tagmap.json
index 149ea47..4128b1e 100644
--- a/html_resources/tagmap.json
+++ b/html_resources/tagmap.json
@@ -20,7 +20,7 @@
 "color_variable_template.css":["colors"],
 "combined_favicon_and_tab_close_button.css":["tab","icon","close"],
 "combined_tabs_and_main_toolbars.css":["minimal","tabs","toolbars"],
-"compact_proton.css":["menu","popups","tabs"],
+"compact_proton.css":["menu","popups","tabs","proton"],
 "compact_urlbar_megabar.css":["urlbar","minimal"],
 "curved_tabs.css":["tabs","tab"],
 "custom_menupopup_check_icons.css":["icon","menu","minimal","popup"],
diff --git a/tags.csv b/tags.csv
index f4348a7..7805ccb 100644
--- a/tags.csv
+++ b/tags.csv
@@ -19,7 +19,7 @@ click_selected_tab_to_focus_urlbar.css,hack,tabs,urlbar
 color_variable_template.css,colors
 combined_favicon_and_tab_close_button.css,tab,icon,close
 combined_tabs_and_main_toolbars.css,minimal,tabs,toolbars
-compact_proton.css,menu,popups,tabs
+compact_proton.css,menu,popups,tabs,proton
 compact_urlbar_megabar.css,urlbar,minimal
 curved_tabs.css,tabs,tab
 custom_menupopup_check_icons.css,icon,menu,minimal,popup