diff --git a/packages/backend/src/server/web/boot.js b/packages/backend/src/server/web/boot.js
index 825f02e835..38ae8ad2e5 100644
--- a/packages/backend/src/server/web/boot.js
+++ b/packages/backend/src/server/web/boot.js
@@ -116,9 +116,9 @@
 			}
 		}
 	}
-	const colorSchema = localStorage.getItem('colorSchema');
-	if (colorSchema) {
-		document.documentElement.style.setProperty('color-schema', colorSchema);
+	const colorScheme = localStorage.getItem('colorScheme');
+	if (colorScheme) {
+		document.documentElement.style.setProperty('color-scheme', colorScheme);
 	}
 	//#endregion
 
diff --git a/packages/frontend/src/local-storage.ts b/packages/frontend/src/local-storage.ts
index 441a35747a..ca4f21f79b 100644
--- a/packages/frontend/src/local-storage.ts
+++ b/packages/frontend/src/local-storage.ts
@@ -13,7 +13,7 @@ type Keys =
 	'hashtags' |
 	'wallpaper' |
 	'theme' |
-	'colorSchema' |
+	'colorScheme' |
 	'useSystemFont' | 
 	'fontSize' |
 	'ui' |
diff --git a/packages/frontend/src/scripts/theme.ts b/packages/frontend/src/scripts/theme.ts
index 28284c7bcf..f2e8253565 100644
--- a/packages/frontend/src/scripts/theme.ts
+++ b/packages/frontend/src/scripts/theme.ts
@@ -60,7 +60,7 @@ export function applyTheme(theme: Theme, persist = true) {
 		document.documentElement.classList.remove('_themeChanging_');
 	}, 1000);
 
-	const colorSchema = theme.base === 'dark' ? 'dark' : 'light';
+	const colorScheme = theme.base === 'dark' ? 'dark' : 'light';
 
 	// Deep copy
 	const _theme = deepClone(theme);
@@ -83,11 +83,11 @@ export function applyTheme(theme: Theme, persist = true) {
 		document.documentElement.style.setProperty(`--${k}`, v.toString());
 	}
 
-	document.documentElement.style.setProperty('color-schema', colorSchema);
+	document.documentElement.style.setProperty('color-scheme', colorScheme);
 
 	if (persist) {
 		miLocalStorage.setItem('theme', JSON.stringify(props));
-		miLocalStorage.setItem('colorSchema', colorSchema);
+		miLocalStorage.setItem('colorScheme', colorScheme);
 	}
 
 	// 色計算など再度行えるようにクライアント全体に通知