diff --git a/webapp/src/translations/en/global.json b/webapp/src/translations/en/global.json
index 154bdfa0..60fd49fa 100644
--- a/webapp/src/translations/en/global.json
+++ b/webapp/src/translations/en/global.json
@@ -57,6 +57,7 @@
         "strong_password": "Strong password",
         "error_passwords_no_match": "Passwords do not match",
         "error_password_spaces": "Password cannot contain spaces",
+        "error_username_spaces": "Username cannot contain spaces",
         "error_password_minimum_length": "Password must be at least 8 characters long",
         "error_password_maximum_length": "Password cannot be over 64 characters long",
         "error_username_in_use": "Username already in use"
diff --git a/webapp/src/translations/es/global.json b/webapp/src/translations/es/global.json
index 1c0a5f1b..6c6abaa9 100644
--- a/webapp/src/translations/es/global.json
+++ b/webapp/src/translations/es/global.json
@@ -61,6 +61,7 @@
           "strong_password": "Contraseña fuerte",
           "error_passwords_no_match": "Las contraseñas no coinciden",
           "error_password_spaces": "La contraseña no puede contener espacios",
+          "error_username_spaces": "El nombre de usuario no puede contener espacios",
           "error_password_minimum_length": "La contraseña debe tener al menos 8 caracteres",
           "error_password_maximum_length": "La contraseña no debe tener más de 64 caracteres",
           "error_username_in_use": "Nombre de usuario no disponible"
diff --git a/webapp/src/translations/tk/global.json b/webapp/src/translations/tk/global.json
index d79e6e10..36d4dd1c 100644
--- a/webapp/src/translations/tk/global.json
+++ b/webapp/src/translations/tk/global.json
@@ -57,6 +57,7 @@
       "strong_password": "Güçlü şifre",
       "error_passwords_no_match": "Şifreler eşleşmiyor",
       "error_password_spaces": "Şifre boşluk içeremez",
+      "error_username_spaces": "Kullanıcı adı boşluk içeremez.",
       "error_password_minimum_length": "Şifre en az 8 karakter uzunluğunda olmalıdır",
       "error_password_maximum_length": "Şifre en fazla 64 karakter uzunluğunda olabilir",
       "error_username_in_use": "Kullanıcı adı zaten kullanımda"