diff --git a/frappe/utils/pdf.py b/frappe/utils/pdf.py
index 6d8b8bf7a8..6fc7c789ae 100644
--- a/frappe/utils/pdf.py
+++ b/frappe/utils/pdf.py
@@ -39,7 +39,10 @@ def get_pdf(html, options=None):
 			filedata = fileobj.read()
 
 	except IOError, e:
-		if "ContentNotFoundError" in e.message or "ContentOperationNotPermittedError" in e.message:
+		if ("ContentNotFoundError" in e.message
+			or "ContentOperationNotPermittedError" in e.message
+			or "UnknownContentError" in e.message
+			or "RemoteHostClosedError" in e.message):
 			# allow pdfs with missing images if file got created
 			if os.path.exists(fname):
 				with open(fname, "rb") as fileobj: