diff --git a/src/assets/usericon/default/default-user-icon.svg b/src/assets/usericon/default/default-user-icon_dark.svg
similarity index 100%
rename from src/assets/usericon/default/default-user-icon.svg
rename to src/assets/usericon/default/default-user-icon_dark.svg
diff --git a/src/assets/usericon/default/default-user-icon_light.svg b/src/assets/usericon/default/default-user-icon_light.svg
new file mode 100644
index 0000000..60ba6d0
--- /dev/null
+++ b/src/assets/usericon/default/default-user-icon_light.svg
@@ -0,0 +1,5 @@
+<svg width="40" height="40" viewBox="0 0 40 40" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M0 11C0 4.92487 4.92487 0 11 0H29C35.0751 0 40 4.92487 40 11V29C40 35.0751 35.0751 40 29 40H11C4.92487 40 0 35.0751 0 29V11Z" fill="#4154C0"/>
+<path d="M31.6663 35V31.6667C31.6663 29.8986 30.964 28.2029 29.7137 26.9526C28.4635 25.7024 26.7678 25 24.9997 25H14.9997C13.2316 25 11.5359 25.7024 10.2856 26.9526C9.03539 28.2029 8.33301 29.8986 8.33301 31.6667V35" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M19.9997 18.3333C23.6816 18.3333 26.6663 15.3486 26.6663 11.6667C26.6663 7.98477 23.6816 5 19.9997 5C16.3178 5 13.333 7.98477 13.333 11.6667C13.333 15.3486 16.3178 18.3333 19.9997 18.3333Z" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/src/assets/usericon/default/defaultusericon-export.tsx b/src/assets/usericon/default/defaultusericon-export.tsx
index c7a53d1..d1b482d 100644
--- a/src/assets/usericon/default/defaultusericon-export.tsx
+++ b/src/assets/usericon/default/defaultusericon-export.tsx
@@ -1 +1,2 @@
-export { default as defaultusericon } from '@/assets/usericon/default/default-user-icon.svg';
+export { default as user_default_dark } from '@/assets/usericon/default/default-user-icon_dark.svg';
+export { default as user_default_light } from '@/assets/usericon/default/default-user-icon_light.svg';
diff --git a/src/components/custom-ui/participant-list-entry.tsx b/src/components/custom-ui/participant-list-entry.tsx
index ed374db..a584112 100644
--- a/src/components/custom-ui/participant-list-entry.tsx
+++ b/src/components/custom-ui/participant-list-entry.tsx
@@ -1,6 +1,8 @@
 import React from 'react';
 import Image from 'next/image';
-import { defaultusericon } from '@/assets/usericon/default/defaultusericon-export';
+import { user_default_dark } from '@/assets/usericon/default/defaultusericon-export';
+import { user_default_light } from '@/assets/usericon/default/defaultusericon-export';
+import { useTheme } from 'next-themes';
 
 type ParticipantListEntryProps = {
   participant: string;
@@ -10,9 +12,13 @@ type ParticipantListEntryProps = {
 export default function ParticipantListEntry({
   participant,
 }: ParticipantListEntryProps) {
+  const { resolvedTheme } = useTheme();
+
+  const iconSrc =
+    resolvedTheme === 'dark' ? user_default_dark : user_default_light;
   return (
     <div className='flex items-center gap-2 py-1 ml-5'>
-      <Image src={defaultusericon} alt='Avatar' width={30} height={30} />
+      <Image src={iconSrc} alt='Avatar' width={30} height={30} />
       <span>{participant}</span>
     </div>
   );