diff --git a/assets/mi.svg b/assets/mi.svg
index d4f7cf7e9e..44e5c74d0c 100644
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new file mode 100644
index 0000000000..fa42856fa5
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new file mode 100644
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diff --git a/src/client/app/desktop/assets/header-logo-white.svg b/src/client/app/desktop/assets/header-logo-white.svg
deleted file mode 100644
index 8082edb30d..0000000000
--- a/src/client/app/desktop/assets/header-logo-white.svg
+++ /dev/null
@@ -1,25 +0,0 @@
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diff --git a/src/client/app/desktop/assets/header-logo.svg b/src/client/app/desktop/assets/header-logo.svg
deleted file mode 100644
index 3a2207954a..0000000000
--- a/src/client/app/desktop/assets/header-logo.svg
+++ /dev/null
@@ -1,25 +0,0 @@
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diff --git a/src/client/app/desktop/views/components/ui.header.vue b/src/client/app/desktop/views/components/ui.header.vue
index 34464bf4b2..7045790054 100644
--- a/src/client/app/desktop/views/components/ui.header.vue
+++ b/src/client/app/desktop/views/components/ui.header.vue
@@ -150,8 +150,8 @@ root(isDark)
 					display block
 					width 100%
 					height 48px
-					background-image url(/assets/desktop/header-logo.svg)
-					background-size 46px
+					background-image isDark ? url('/assets/desktop/header-icon.dark.svg') : url('/assets/desktop/header-icon.light.svg')
+					background-size 24px
 					background-position center
 					background-repeat no-repeat
 					opacity 0.3
diff --git a/src/client/app/desktop/views/pages/welcome.vue b/src/client/app/desktop/views/pages/welcome.vue
index 03a60dd487..1bb791b68c 100644
--- a/src/client/app/desktop/views/pages/welcome.vue
+++ b/src/client/app/desktop/views/pages/welcome.vue
@@ -12,7 +12,7 @@
 		</article>
 	</main>
 	<main v-else class="index">
-		<img :src="$store.state.device.darkmode ? 'assets/title-dark.svg' : 'assets/title.svg'" alt="Misskey">
+		<img :src="$store.state.device.darkmode ? 'assets/title.dark.svg' : 'assets/title.light.svg'" alt="Misskey">
 		<p class="desc"><b>%i18n:common.misskey%</b> - <span @click="about = true">%i18n:@about%</span></p>
 		<p class="account">
 			<button class="signup" @click="signup">%i18n:@signup-button%</button>
diff --git a/assets/title-dark.svg b/src/client/assets/title.dark.svg
similarity index 100%
rename from assets/title-dark.svg
rename to src/client/assets/title.dark.svg
diff --git a/assets/title.svg b/src/client/assets/title.light.svg
similarity index 100%
rename from assets/title.svg
rename to src/client/assets/title.light.svg