diff --git a/src/lib/constants.ts b/src/lib/constants.ts
index ccd5f2de..930f5732 100644
--- a/src/lib/constants.ts
+++ b/src/lib/constants.ts
@@ -136,3 +136,12 @@ export const GIF_FEATURED = (params: string) =>
   `${GIF_SERVICE}/tenor/v2/featured?${params}`
 
 export const MAX_LABELERS = 20
+
+export const SUPPORTED_MIME_TYPES = [
+  'video/mp4',
+  'video/mpeg',
+  'video/webm',
+  'video/quicktime',
+] as const
+
+export type SupportedMimeTypes = (typeof SUPPORTED_MIME_TYPES)[number]
diff --git a/src/lib/media/video/compress.ts b/src/lib/media/video/compress.ts
index 79c58f5d..e783a843 100644
--- a/src/lib/media/video/compress.ts
+++ b/src/lib/media/video/compress.ts
@@ -30,5 +30,5 @@ export async function compressVideo(
 
   const info = await getVideoMetaData(compressed)
 
-  return {uri: compressed, size: info.size, mimeType: `video/${info.extension}`}
+  return {uri: compressed, size: info.size, mimeType: `video/mp4`}
 }
diff --git a/src/state/queries/video/util.ts b/src/state/queries/video/util.ts
index 898f1736..e019848a 100644
--- a/src/state/queries/video/util.ts
+++ b/src/state/queries/video/util.ts
@@ -1,6 +1,8 @@
 import {useMemo} from 'react'
 import {AtpAgent} from '@atproto/api'
 
+import {SupportedMimeTypes} from '#/lib/constants'
+
 const UPLOAD_ENDPOINT = 'https://video.bsky.app/'
 
 export const createVideoEndpointUrl = (
@@ -25,7 +27,7 @@ export function useVideoAgent() {
   }, [])
 }
 
-export function mimeToExt(mimeType: string) {
+export function mimeToExt(mimeType: SupportedMimeTypes | (string & {})) {
   switch (mimeType) {
     case 'video/mp4':
       return 'mp4'
@@ -33,6 +35,8 @@ export function mimeToExt(mimeType: string) {
       return 'webm'
     case 'video/mpeg':
       return 'mpeg'
+    case 'video/quicktime':
+      return 'mov'
     default:
       throw new Error(`Unsupported mime type: ${mimeType}`)
   }
diff --git a/src/state/queries/video/video.ts b/src/state/queries/video/video.ts
index 87f31564..5e36ce35 100644
--- a/src/state/queries/video/video.ts
+++ b/src/state/queries/video/video.ts
@@ -5,6 +5,7 @@ import {msg} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
 import {QueryClient, useQuery, useQueryClient} from '@tanstack/react-query'
 
+import {SUPPORTED_MIME_TYPES, SupportedMimeTypes} from '#/lib/constants'
 import {logger} from '#/logger'
 import {isWeb} from '#/platform/detection'
 import {ServerError, VideoTooLargeError} from 'lib/media/video/errors'
@@ -175,19 +176,19 @@ export function useUploadVideo({
   })
 
   const selectVideo = (asset: ImagePickerAsset) => {
-    switch (getMimeType(asset)) {
-      case 'video/mp4':
-      case 'video/mpeg':
-      case 'video/webm':
-        dispatch({
-          type: 'SetAsset',
-          asset,
-        })
-        onSelectVideo(asset)
-        break
-      default:
-        throw new Error(_(msg`Unsupported video type: ${getMimeType(asset)}`))
+    // compression step on native converts to mp4, so no need to check there
+    if (isWeb) {
+      const mimeType = getMimeType(asset)
+      if (!SUPPORTED_MIME_TYPES.includes(mimeType as SupportedMimeTypes)) {
+        throw new Error(_(msg`Unsupported video type: ${mimeType}`))
+      }
     }
+
+    dispatch({
+      type: 'SetAsset',
+      asset,
+    })
+    onSelectVideo(asset)
   }
 
   const clearVideo = () => {