diff --git a/static/js/echo.js b/static/js/echo.js
index baeced40ff..3cf0d41b6e 100644
--- a/static/js/echo.js
+++ b/static/js/echo.js
@@ -93,6 +93,11 @@ function insert_local_message(message_request, local_id) {
     return message.local_id;
 }
 
+exports.is_slash_command = function (content) {
+    return !content.startsWith('/me') && content.startsWith('/');
+};
+
+
 exports.try_deliver_locally = function try_deliver_locally(message_request) {
     if (markdown.contains_backend_only_syntax(message_request.content)) {
         return;
@@ -102,6 +107,10 @@ exports.try_deliver_locally = function try_deliver_locally(message_request) {
         return;
     }
 
+    if (exports.is_slash_command(message_request.content)) {
+        return;
+    }
+
     var next_local_id = local_message.get_next_id();
 
     if (!next_local_id) {