diff --git a/src/public/js/actions/users.js b/src/public/js/actions/users.js
index a06de7c..686a951 100644
--- a/src/public/js/actions/users.js
+++ b/src/public/js/actions/users.js
@@ -14,7 +14,7 @@ export function loginUser(username, password) {
     configureAxios().post(
       "/users/login",
       {
-        username: username,
+        username: username.trim(),
         password: password,
       },
     ),
@@ -32,6 +32,10 @@ export function updateUser(config) {
 }
 
 export function userSignUp(config) {
+  if (config.username) {
+    config.username = config.username.trim();
+  }
+
   return request(
     "USER_SIGNUP",
     configureAxios().post("/users/signup", config), [