diff --git a/app/models/clusters/applications/cert_manager.rb b/app/models/clusters/applications/cert_manager.rb
index 583f19d3dc8..077e2bda143 100644
--- a/app/models/clusters/applications/cert_manager.rb
+++ b/app/models/clusters/applications/cert_manager.rb
@@ -48,7 +48,7 @@ module Clusters
       end
 
       def cluster_issuer_content
-        YAML.safe_load(cluster_issuer_file_path)
+        YAML.safe_load(File.read(cluster_issuer_file_path))
       end
 
       def cluster_issue_overlay