diff --git a/scripts/extractors/generic.py b/scripts/extractors/generic.py
index 5715ee0..c1bdd0f 100644
--- a/scripts/extractors/generic.py
+++ b/scripts/extractors/generic.py
@@ -128,6 +128,10 @@ def extract (url, page=None, network=False, verbosity=3, args={}):
 		feed = extract_from_page (page, verbosity, url, args)
 		if not feed is None:
 			if feed.startswith("/"):
-				domain = url[:url.find("/",url.find("//")+2)]
+				index = url.find("/",url.find("//")+2)
+				if index == -1:
+					domain = url
+				else:
+					domain = url[:index]
 				feed = domain + feed
 			return feed
diff --git a/scripts/extractors/tumblr.py b/scripts/extractors/tumblr.py
index 0476945..351e2e3 100644
--- a/scripts/extractors/tumblr.py
+++ b/scripts/extractors/tumblr.py
@@ -12,8 +12,12 @@ if platform.endswith(".py"):
 def extract_from_url (url, verbosity):
 	# split into domain and path
 	index = url.find("/",url.find("//")+2)
-	domain = url[:index]
-	path = url[index:]
+	if index == -1:
+		domain = url
+		path = "/"
+	else:
+		domain = url[:index]
+		path = url[index:]
 
 	primary_domain = {
 		"https://tumblr.com",