diff --git a/client/src/app/shared/shared-forms/preview-upload.component.ts b/client/src/app/shared/shared-forms/preview-upload.component.ts
index 46920dd27..cdfa26a23 100644
--- a/client/src/app/shared/shared-forms/preview-upload.component.ts
+++ b/client/src/app/shared/shared-forms/preview-upload.component.ts
@@ -51,7 +51,7 @@ export class PreviewUploadComponent implements OnInit, ControlValueAccessor {
   }
 
   getReactiveFileButtonTooltip () {
-    return $localize`(extensions: ${this.videoImageExtensions}, ${this.maxSizeText}: ${this.maxVideoImageSizeInBytes})`
+    return $localize`(extensions: ${this.videoImageExtensions}, ${this.maxSizeText}\: ${this.maxVideoImageSizeInBytes})`
   }
 
   ngOnInit () {
diff --git a/server/tests/shared/notifications.ts b/server/tests/shared/notifications.ts
index 2a69a09de..58d79d3aa 100644
--- a/server/tests/shared/notifications.ts
+++ b/server/tests/shared/notifications.ts
@@ -685,7 +685,7 @@ async function prepareNotificationsTest (serversCount = 3, overrideConfigArg: an
   await setDefaultChannelAvatar(servers)
   await setDefaultAccountAvatar(servers)
 
-  await servers[1].config.enableStudio()
+  if (servers[1]) await servers[1].config.enableStudio()
 
   if (serversCount > 1) {
     await doubleFollow(servers[0], servers[1])