Merge branch 'master' of github.com:webnotes/erpnext
diff --git a/website/utils.py b/website/utils.py
index ec33103..674d752 100644
--- a/website/utils.py
+++ b/website/utils.py
@@ -263,7 +263,8 @@
 		webnotes.cache().delete_keys("page:")
 	
 def delete_page_cache(page_name):
-	webnotes.cache().delete_value("page:" + page_name)
+	if page_name:
+		webnotes.cache().delete_value("page:" + page_name)
 	
 def url_for_website(url):
 	if url and not url.lower().startswith("http"):