diff --git a/templates/storyboard_http.vhost.erb b/templates/storyboard_http.vhost.erb
index 0cff590..efa7a19 100644
--- a/templates/storyboard_http.vhost.erb
+++ b/templates/storyboard_http.vhost.erb
@@ -1,5 +1,5 @@
 <VirtualHost <%= scope.lookupvar("storyboard::application::hostname") %>:80>
-<% if scope.lookupvar("storyboard::application::server_admin") %>
+<% if scope.lookupvar("storyboard::application::server_admin") != :undef %>
   ServerAdmin <%= scope.lookupvar("storyboard::application::server_admin") %>
 <% end %>
   ServerName <%= scope.lookupvar("storyboard::application::hostname") %>
diff --git a/templates/storyboard_https.vhost.erb b/templates/storyboard_https.vhost.erb
index b7482c5..be95821 100644
--- a/templates/storyboard_https.vhost.erb
+++ b/templates/storyboard_https.vhost.erb
@@ -1,5 +1,5 @@
 <VirtualHost <%= scope.lookupvar("storyboard::application::hostname") %>:80>
-<% if scope.lookupvar("storyboard::application::server_admin") %>
+<% if scope.lookupvar("storyboard::application::server_admin") != :undef %>
     ServerAdmin <%= scope.lookupvar("storyboard::application::server_admin") %>
 <% end %>
     ServerName <%= scope.lookupvar("storyboard::application::hostname") %>
@@ -15,7 +15,7 @@
 </VirtualHost>
 <IfModule mod_ssl.c>
   <VirtualHost <%= scope.lookupvar("storyboard::application::hostname") %>:443>
-  <% if scope.lookupvar("storyboard::application::server_admin") %>
+  <% if scope.lookupvar("storyboard::application::server_admin") != :undef %>
     ServerAdmin <%= scope.lookupvar("storyboard::application::server_admin") %>
   <% end %>
     ServerName <%= scope.lookupvar("storyboard::application::hostname") %>