diff --git a/app/views/devise/mailer/invitation_instructions.haml b/app/views/devise/mailer/invitation_instructions.haml
index dc939ae7..74193878 100644
--- a/app/views/devise/mailer/invitation_instructions.haml
+++ b/app/views/devise/mailer/invitation_instructions.haml
@@ -1,4 +1,4 @@
-- site = @resources.sites.last
+- site = @resource.sites.last
 
 %p= t('devise.mailer.invitation_instructions.hello',
   email: @resource.email)
diff --git a/app/views/devise/mailer/invitation_instructions.text.haml b/app/views/devise/mailer/invitation_instructions.text.haml
index 9735863a..16a9f0a8 100644
--- a/app/views/devise/mailer/invitation_instructions.text.haml
+++ b/app/views/devise/mailer/invitation_instructions.text.haml
@@ -1,4 +1,4 @@
-- site = @resources.sites.last
+- site = @resource.sites.last
 
 = t('devise.mailer.invitation_instructions.hello', email: @resource.email)
 \