diff --git a/files/gitlab-cookbooks/letsencrypt/resources/certificate.rb b/files/gitlab-cookbooks/letsencrypt/resources/certificate.rb
index 76159db0081dc03cbb2299d77503dc25f4950acc_ZmlsZXMvZ2l0bGFiLWNvb2tib29rcy9sZXRzZW5jcnlwdC9yZXNvdXJjZXMvY2VydGlmaWNhdGUucmI=..82fb71ea9a1878b1ebdb98a08ef99bb7a49b423f_ZmlsZXMvZ2l0bGFiLWNvb2tib29rcy9sZXRzZW5jcnlwdC9yZXNvdXJjZXMvY2VydGlmaWNhdGUucmI= 100644
--- a/files/gitlab-cookbooks/letsencrypt/resources/certificate.rb
+++ b/files/gitlab-cookbooks/letsencrypt/resources/certificate.rb
@@ -69,6 +69,6 @@
 
   if new_resource.key_size.nil?
     unless production_key_size == node['acme']['key_size']
-      file new_resource.key.to_s do
+      file new_resource.key do
         action :delete
       end
@@ -73,7 +73,7 @@
         action :delete
       end
-      file new_resource.crt.to_s do
+      file new_resource.crt do
         action :delete
       end
     end
   elsif production_key_size != new_resource.key_size
@@ -76,7 +76,7 @@
         action :delete
       end
     end
   elsif production_key_size != new_resource.key_size
-    file new_resource.key.to_s do
+    file new_resource.key do
       action :delete
     end
@@ -81,6 +81,6 @@
       action :delete
     end
-    file new_resource.crt.to_s do
+    file new_resource.crt do
       action :delete
     end
   end