diff --git a/client/modules/User/components/SignupForm.jsx b/client/modules/User/components/SignupForm.jsx
index fbb5c49b8..fb243f9d6 100644
--- a/client/modules/User/components/SignupForm.jsx
+++ b/client/modules/User/components/SignupForm.jsx
@@ -26,12 +26,21 @@ function asyncValidate(fieldToValidate, value) {
     });
 }
 
+let timeoutUsername;
+let timeoutEmail;
+
 function validateUsername(username) {
-  return asyncValidate('username', username);
+  clearTimeout(timeoutUsername);
+  timeoutUsername = setTimeout(() => {
+    asyncValidate('username', username);
+  }, 500);
 }
 
 function validateEmail(email) {
-  return asyncValidate('email', email);
+  clearTimeout(timeoutEmail);
+  timeoutEmail = setTimeout(() => {
+    asyncValidate('email', email);
+  }, 500);
 }
 
 function SignupForm() {