diff --git a/ts/shims/Whisper.ts b/ts/shims/Whisper.ts
index 4d4a45f402..4250180b76 100644
--- a/ts/shims/Whisper.ts
+++ b/ts/shims/Whisper.ts
@@ -11,3 +11,12 @@ export function getBubbleProps(attributes: any) {
 
   return model.getPropsForBubble();
 }
+
+export function isVoiceFlag(flags: any): boolean {
+  // @ts-ignore
+  const protoFlags = window.textsecure.protobuf.AttachmentPointer.Flags;
+  const VOICE_MESSAGE_FLAG = protoFlags.VOICE_MESSAGE;
+
+  // tslint:disable-next-line no-bitwise
+  return Boolean(flags && flags & VOICE_MESSAGE_FLAG);
+}
diff --git a/ts/state/ducks/conversations.ts b/ts/state/ducks/conversations.ts
index 6a672551e5..0259f0a2e5 100644
--- a/ts/state/ducks/conversations.ts
+++ b/ts/state/ducks/conversations.ts
@@ -10,6 +10,7 @@ import {
   without,
 } from 'lodash';
 import { trigger } from '../../shims/events';
+import { isVoiceFlag } from '../../shims/Whisper';
 import { NoopActionType } from './noop';
 import {
   AttachmentType,
@@ -541,7 +542,8 @@ function hasMessageHeightChanged(
     previousAttachments[0].pending &&
     messageAttachments[0] &&
     (isImageAttachment(messageAttachments[0]) ||
-      isVideoAttachment(messageAttachments[0])) &&
+      isVideoAttachment(messageAttachments[0]) ||
+      isVoiceFlag(messageAttachments[0].flags)) &&
     !messageAttachments[0].pending;
   if (singleVisualAttachmentNoLongerPending) {
     return true;
diff --git a/ts/types/Attachment.ts b/ts/types/Attachment.ts
index cffe1a7391..b8eb2c5476 100644
--- a/ts/types/Attachment.ts
+++ b/ts/types/Attachment.ts
@@ -38,6 +38,7 @@ export interface AttachmentType {
     url: string;
     contentType: MIME.MIMEType;
   };
+  flags?: number;
   thumbnail?: {
     height: number;
     width: number;