diff --git a/web/chat/chat-message-list.react.js b/web/chat/chat-message-list.react.js
--- a/web/chat/chat-message-list.react.js
+++ b/web/chat/chat-message-list.react.js
@@ -24,7 +24,10 @@
   useMessageListData,
 } from 'lib/selectors/chat-selectors.js';
 import { messageKey } from 'lib/shared/message-utils.js';
-import { threadIsPending } from 'lib/shared/thread-utils.js';
+import {
+  threadIsPending,
+  threadOtherMembers,
+} from 'lib/shared/thread-utils.js';
 import type { FetchMessageInfosPayload } from 'lib/types/message-types.js';
 import type { ThreadInfo } from 'lib/types/minimally-encoded-thread-permissions-types.js';
 import { threadTypes } from 'lib/types/thread-types-enum.js';
@@ -76,6 +79,7 @@
   +isEditState: boolean,
   +addScrollToMessageListener: ScrollToMessageCallback => mixed,
   +removeScrollToMessageListener: ScrollToMessageCallback => mixed,
+  +viewerID: ?string,
 };
 type Snapshot = {
   +scrollTop: number,
@@ -315,7 +319,26 @@
 
     let relationshipPrompt = null;
     if (threadInfo.type === threadTypes.PERSONAL) {
-      relationshipPrompt = <RelationshipPrompt threadInfo={threadInfo} />;
+      const otherMembers = threadOtherMembers(
+        threadInfo.members,
+        this.props.viewerID,
+      );
+
+      let pendingPersonalThreadUserInfo;
+      if (otherMembers.length === 1) {
+        const otherMember = otherMembers[0];
+        pendingPersonalThreadUserInfo = {
+          id: otherMember.id,
+          username: otherMember.username,
+        };
+      }
+
+      relationshipPrompt = (
+        <RelationshipPrompt
+          threadInfo={threadInfo}
+          pendingPersonalThreadUserInfo={pendingPersonalThreadUserInfo}
+        />
+      );
     }
 
     const messageContainerStyle = classNames({
@@ -462,6 +485,8 @@
     } = useEditModalContext();
     const isEditState = editState !== null;
 
+    const viewerID = useSelector(state => state.currentUserInfo?.id);
+
     return (
       <MessageListContext.Provider value={messageListContext}>
         <ChatMessageList
@@ -478,6 +503,7 @@
           isEditState={isEditState}
           addScrollToMessageListener={addScrollToMessageListener}
           removeScrollToMessageListener={removeScrollToMessageListener}
+          viewerID={viewerID}
         />
       </MessageListContext.Provider>
     );
diff --git a/web/chat/relationship-prompt/relationship-prompt.js b/web/chat/relationship-prompt/relationship-prompt.js
--- a/web/chat/relationship-prompt/relationship-prompt.js
+++ b/web/chat/relationship-prompt/relationship-prompt.js
@@ -11,19 +11,26 @@
 import { useRelationshipPrompt } from 'lib/hooks/relationship-prompt.js';
 import type { ThreadInfo } from 'lib/types/minimally-encoded-thread-permissions-types.js';
 import { userRelationshipStatus } from 'lib/types/relationship-types.js';
+import type { UserInfo } from 'lib/types/user-types.js';
 
 import RelationshipPromptButtonContainer from './relationship-prompt-button-container.js';
 import RelationshipPromptButton from './relationship-prompt-button.js';
 import { buttonThemes } from '../../components/button.react.js';
 
-type Props = { +threadInfo: ThreadInfo };
-
+type Props = {
+  +pendingPersonalThreadUserInfo: ?UserInfo,
+  +threadInfo: ThreadInfo,
+};
 function RelationshipPrompt(props: Props) {
   const { threadInfo } = props;
   const {
     otherUserInfo,
     callbacks: { blockUser, unblockUser, friendUser, unfriendUser },
-  } = useRelationshipPrompt(threadInfo);
+  } = useRelationshipPrompt(
+    threadInfo,
+    undefined,
+    props.pendingPersonalThreadUserInfo,
+  );
   if (!otherUserInfo?.username) {
     return null;
   }