diff --git a/magnolia-site/src/main/java/info/magnolia/module/site/functions/SiteFunctions.java b/magnolia-site/src/main/java/info/magnolia/module/site/functions/SiteFunctions.java
index a88fce1..e5468ab 100644
--- a/magnolia-site/src/main/java/info/magnolia/module/site/functions/SiteFunctions.java
+++ b/magnolia-site/src/main/java/info/magnolia/module/site/functions/SiteFunctions.java
@@ -90,11 +90,28 @@
             return null;
         }
     }
+    
+    /**
+     * Returns the {@link info.magnolia.module.site.theme.Theme} of the passed content {@link info.magnolia.jcr.util.ContentMap}.
+     */
+    public Theme theme(ContentMap content) {
+    	return (content == null) ? null : this.theme(content.getJCRNode());
+    }
+    
+    /**
+     * Returns the {@link info.magnolia.module.site.theme.Theme} of the passed content {@link javax.jcr.Node}.
+     */
+    public Theme theme(Node content) {
+    	if(content == null) return null;
+    	Site site = this.site(content);
+    	return (site == null) ? null : this.theme(site);
+    }
 
     /**
      * Returns the {@link info.magnolia.module.site.theme.Theme} of a {@link info.magnolia.module.site.Site}.
      */
     public Theme theme(Site site) {
+    	if(site == null) return null;
         final String themeName = site.getTheme().getName();
         return StringUtils.isBlank(themeName) ? new ConfiguredTheme(imagingSupport) : siteModuleProvider.get().getTheme(themeName);
 
@@ -107,6 +124,7 @@
      * @return {@link Site} The according {@link Site} of the passed {@param content}
      */
     public Site site(ContentMap content) {
+    	if(content == null) return null;
         return site(content.getJCRNode());
     }