diff --git a/src/app/components/VoiceRoomItem.svelte b/src/app/components/VoiceRoomItem.svelte
index 2fd4f9b7..2ba3edf9 100644
--- a/src/app/components/VoiceRoomItem.svelte
+++ b/src/app/components/VoiceRoomItem.svelte
@@ -5,6 +5,7 @@
   import SecondaryNavItem from "@lib/components/SecondaryNavItem.svelte"
   import ProfileCircle from "@app/components/ProfileCircle.svelte"
   import RoomName from "@app/components/RoomName.svelte"
+  import {isMobileViewport} from "@lib/html"
   import {pushToast} from "@app/util/toast"
   import {
     deriveVoiceParticipants,
@@ -26,6 +27,10 @@
   let joinAbortController: AbortController | undefined
 
   const handleClick = async () => {
+    if (isMobileViewport()) {
+      pushToast({theme: "error", message: "Voice rooms are not yet supported on mobile."})
+      return
+    }
     if (isActive) {
       await leaveVoiceRoom()
       return
diff --git a/src/lib/html.ts b/src/lib/html.ts
index f736178a..255033fe 100644
--- a/src/lib/html.ts
+++ b/src/lib/html.ts
@@ -80,6 +80,9 @@ export const createScroller = ({
 
 export const isMobile = "ontouchstart" in document.documentElement
 
+// Remove this when we implement voice rooms on mobile
+export const isMobileViewport = () => window.innerWidth <= 768
+
 export const downloadText = (filename: string, text: string) => {
   const blob = new Blob([text], {type: "text/plain"})
   const url = URL.createObjectURL(blob)