diff --git a/activemodel/lib/active_model/secure_password.rb b/activemodel/lib/active_model/secure_password.rb
index f6ad35769fa29..8f2a069ba35de 100644
--- a/activemodel/lib/active_model/secure_password.rb
+++ b/activemodel/lib/active_model/secure_password.rb
@@ -75,7 +75,7 @@ def has_secure_password(options = {})
           end
 
           validates_length_of :password, maximum: ActiveModel::SecurePassword::MAX_PASSWORD_LENGTH_ALLOWED
-          validates_confirmation_of :password, if: ->{ password.present? }
+          validates_confirmation_of :password, allow_blank: true
         end
 
         # This code is necessary as long as the protected_attributes gem is supported.