diff --git a/source/_docs/ecosystem/certificates/tls_self_signed_certificate.markdown b/source/_docs/ecosystem/certificates/tls_self_signed_certificate.markdown
index c4f7c536741..5efe94ec42e 100644
--- a/source/_docs/ecosystem/certificates/tls_self_signed_certificate.markdown
+++ b/source/_docs/ecosystem/certificates/tls_self_signed_certificate.markdown
@@ -44,4 +44,11 @@ http:
 
 A restart of Home Assistant is required for the changes to take effect.
 
+If you get any log error about *ssl_key* or *ssl_certificate* that is **not a file for dictionary value** when run Home Assistant, you need to change owner or access permission of the `.pem` files as following:
+  
+```bash
+$ sudo chown homeassistant:homeassistant certificate.pem privkey.pem
+$ sudo chmod 755 certificate.pem privkey.pem
+```
+
 A tutorial "[Working with SSL Certificates, Private Keys and CSRs](https://www.digitalocean.com/community/tutorials/openssl-essentials-working-with-ssl-certificates-private-keys-and-csrs)" could give you some insight about special cases.