diff --git a/templates/ssl_ca_cert.erb b/templates/ssl_ca_cert.erb
index d254c70..9370384 100644
--- a/templates/ssl_ca_cert.erb
+++ b/templates/ssl_ca_cert.erb
@@ -1,3 +1,3 @@
-<% unless @ne_ssl_ca_cert_pem.undef -%>
+<% unless @ne_ssl_ca_cert_pem.nil? || @ne_ssl_ca_cert_pem.empty? -%>
 <%= @ne_ssl_ca_cert_pem %>
 <% end -%>
\ No newline at end of file
diff --git a/templates/ssl_cert.erb b/templates/ssl_cert.erb
index a5534c0..d71f23b 100644
--- a/templates/ssl_cert.erb
+++ b/templates/ssl_cert.erb
@@ -1,3 +1,3 @@
-<% unless @ne_ssl_cert_pem.undef -%>
+<% unless @ne_ssl_cert_pem.nil? || @ne_ssl_cert_pem.empty? -%>
 <%= @ne_ssl_cert_pem %>
 <% end -%>
\ No newline at end of file
diff --git a/templates/ssl_privatekey.erb b/templates/ssl_privatekey.erb
index 5b8df64..05b3662 100644
--- a/templates/ssl_privatekey.erb
+++ b/templates/ssl_privatekey.erb
@@ -1,3 +1,3 @@
-<% unless @ne_ssl_privatekey_pem.undef -%>
+<% unless @ne_ssl_privatekey_pem.nil? || @ne_ssl_privatekey_pem.empty? -%>
 <%= @ne_ssl_privatekey_pem %>
 <% end -%>
\ No newline at end of file