diff --git a/app/models/contact.rb b/app/models/contact.rb
index a60e9f4d2..95ee69c75 100644
--- a/app/models/contact.rb
+++ b/app/models/contact.rb
@@ -169,7 +169,7 @@ class Contact < ApplicationRecord
   end
 
   def self.from_email(email)
-    find_by(email: email.downcase)
+    find_by(email: email&.downcase)
   end
 
   private
diff --git a/app/models/user.rb b/app/models/user.rb
index 3fdaf7f25..faadb3271 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -157,7 +157,7 @@ class User < ApplicationRecord
   end
 
   def self.from_email(email)
-    find_by(email: email.downcase)
+    find_by(email: email&.downcase)
   end
 
   private