diff --git a/EOLib/Domain/Account/CreateAccountParameterValidator.cs b/EOLib/Domain/Account/CreateAccountParameterValidator.cs
index 8e69a0326..0e695f0c0 100644
--- a/EOLib/Domain/Account/CreateAccountParameterValidator.cs
+++ b/EOLib/Domain/Account/CreateAccountParameterValidator.cs
@@ -6,7 +6,7 @@ namespace EOLib.Domain.Account
     [AutoMappedType]
     public class CreateAccountParameterValidator : ICreateAccountParameterValidator
     {
-        private const string ValidEmailRegex = @"[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+(?:[A-Z]{2}|com|org|net|edu|gov|mil|biz|info|mobi|name|aero|asia|jobs|museum)\b";
+        private const string ValidEmailRegex = @"[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+(?:[a-z]{2}|com|org|net|edu|gov|mil|biz|info|mobi|name|aero|asia|jobs|museum)\b";
 
         public bool AccountNameIsNotLongEnough(string account)
         {
@@ -35,7 +35,7 @@ public bool PasswordIsTooObvious(string password)
 
         public bool EmailIsInvalid(string email)
         {
-            return !System.Text.RegularExpressions.Regex.IsMatch(email, ValidEmailRegex);
+            return !System.Text.RegularExpressions.Regex.IsMatch(email.ToLowerInvariant(), ValidEmailRegex);
         }
     }