diff --git a/ui/component/channelMentionSuggestions/view.jsx b/ui/component/channelMentionSuggestions/view.jsx
index d0aa69b2830..38094434b86 100644
--- a/ui/component/channelMentionSuggestions/view.jsx
+++ b/ui/component/channelMentionSuggestions/view.jsx
@@ -26,7 +26,7 @@ type Props = {
   subscriptionUris: Array<string>,
   unresolvedSubscriptions: Array<string>,
   doResolveUris: (Array<string>) => void,
-  customSelectAction?: (string) => void,
+  customSelectAction?: (string, number) => void,
 };
 
 export default function ChannelMentionSuggestions(props: Props) {
@@ -75,14 +75,13 @@ export default function ChannelMentionSuggestions(props: Props) {
   const showPlaceholder = isTyping || loading;
 
   const handleSelect = React.useCallback(
-    (value) => {
+    (value, key) => {
       if (customSelectAction) {
         // Give them full results, as our resolved one might truncate the claimId.
-        customSelectAction(value || (results && results.find((r) => r.startsWith(value))) || '');
+        customSelectAction(value || (results && results.find((r) => r.startsWith(value))) || '', Number(key));
       }
-      if (inputRef && inputRef.current) inputRef.current.focus();
     },
-    [customSelectAction, inputRef, results]
+    [customSelectAction, results]
   );
 
   React.useEffect(() => {
@@ -124,11 +123,11 @@ export default function ChannelMentionSuggestions(props: Props) {
           const activeValue = activeElement && activeElement.getAttribute('value');
 
           if (activeValue) {
-            handleSelect(activeValue);
+            handleSelect(activeValue, keyCode);
           } else if (possibleMatches.length) {
-            handleSelect(possibleMatches[0]);
+            handleSelect(possibleMatches[0], keyCode);
           } else if (results) {
-            handleSelect(mentionTerm);
+            handleSelect(mentionTerm, keyCode);
           }
         }
         if (isRefFocused(comboboxInputRef)) inputRef.current.focus();
diff --git a/ui/component/commentCreate/view.jsx b/ui/component/commentCreate/view.jsx
index 776eceba114..3e336954375 100644
--- a/ui/component/commentCreate/view.jsx
+++ b/ui/component/commentCreate/view.jsx
@@ -28,6 +28,7 @@ let stripeEnvironment = getStripeEnvironment();
 
 const TAB_FIAT = 'TabFiat';
 const TAB_LBC = 'TabLBC';
+const MENTION_DEBOUNCE_MS = 100;
 
 type Props = {
   uri: string,
@@ -103,6 +104,7 @@ export function CommentCreate(props: Props) {
   const [activeTab, setActiveTab] = React.useState('');
   const [tipError, setTipError] = React.useState();
   const [deletedComment, setDeletedComment] = React.useState(false);
+  const [pauseQuickSend, setPauseQuickSend] = React.useState(false);
   const [shouldDisableReviewButton, setShouldDisableReviewButton] = React.useState();
 
   const selectedMentionIndex =
@@ -123,7 +125,7 @@ export function CommentCreate(props: Props) {
   const channelUri = signingChannel && signingChannel.permanent_url;
   const hasChannels = channels && channels.length;
   const charCount = commentValue ? commentValue.length : 0;
-  const disabled = deletedComment || isSubmitting || isFetchingChannels || !commentValue.length;
+  const disabled = deletedComment || isSubmitting || isFetchingChannels || !commentValue.length || pauseQuickSend;
   const channelId = getChannelIdFromClaim(claim);
   const channelSettings = channelId ? settingsByChannelId[channelId] : undefined;
   const minSuper = (channelSettings && channelSettings.min_tip_amount_super_chat) || 0;
@@ -170,7 +172,7 @@ export function CommentCreate(props: Props) {
     setCommentValue(commentValue);
   }
 
-  function handleSelectMention(mentionValue) {
+  function handleSelectMention(mentionValue, key) {
     let newMentionValue = mentionValue.replace('lbry://', '');
     if (newMentionValue.includes('#')) {
       const fullId = newMentionValue.substring(newMentionValue.indexOf('#') + 1, newMentionValue.length);
@@ -179,6 +181,7 @@ export function CommentCreate(props: Props) {
         .replace('#', ':');
     }
 
+    if (livestream && key !== KEYCODES.TAB) setPauseQuickSend(true);
     setCommentValue(
       commentValue.substring(0, selectedMentionIndex) +
         `${newMentionValue}` +
@@ -416,6 +419,18 @@ export function CommentCreate(props: Props) {
     }
   }, [fetchComment, shouldFetchComment, parentId]);
 
+  // Debounce for disabling the submit button when mentioning a user with Enter
+  // so that the comment isn't sent at the same time
+  React.useEffect(() => {
+    const timer = setTimeout(() => {
+      if (pauseQuickSend) {
+        setPauseQuickSend(false);
+      }
+    }, MENTION_DEBOUNCE_MS);
+
+    return () => clearTimeout(timer);
+  }, [pauseQuickSend]);
+
   // **************************************************************************
   // Render
   // **************************************************************************