diff --git a/scripts/http-iis-webdav-vuln.nse b/scripts/http-iis-webdav-vuln.nse
index f35cbaab5..75a183dc6 100644
--- a/scripts/http-iis-webdav-vuln.nse
+++ b/scripts/http-iis-webdav-vuln.nse
@@ -33,7 +33,7 @@ categories = {"vuln", "intrusive"}
 require "http"
 require "shortport"
 
-portrule = shortport.port_or_service({80, 8080}, "http")
+portrule = shortport.port_or_service({80, 443, 8080}, {"http", "https"})
 
 ---Enumeration for results
 local enum_results =