diff --git a/src/components/ThemeSettings/ThemesTab.tsx b/src/components/ThemeSettings/ThemesTab.tsx
index 50ab15d0a..e9440e4fc 100644
--- a/src/components/ThemeSettings/ThemesTab.tsx
+++ b/src/components/ThemeSettings/ThemesTab.tsx
@@ -250,14 +250,12 @@ function ThemesTab() {
                     switch (varInfo.type) {
                         case "text":
                         case "color":
+                        case "checkbox":
                             normalizedValue = varInfo.default;
                             break;
                         case "select":
                             normalizedValue = varInfo.options.find(v => v.name === varInfo.default)!.value;
                             break;
-                        case "checkbox":
-                            normalizedValue = varInfo.default ? "1" : "0";
-                            break;
                         case "range":
                             normalizedValue = `${varInfo.default}${varInfo.units}`;
                             break;
diff --git a/src/utils/themes/usercss/usercss-meta.d.ts b/src/utils/themes/usercss/usercss-meta.d.ts
index f4d29e631..56bacd435 100644
--- a/src/utils/themes/usercss/usercss-meta.d.ts
+++ b/src/utils/themes/usercss/usercss-meta.d.ts
@@ -19,7 +19,7 @@ declare module "usercss-meta" {
         }
         | {
             type: "checkbox";
-            default: boolean;
+            default: string;
         }
         | {
             type: "range";