diff --git a/doc/THANKS b/doc/THANKS
index 884c46f68..6360a3064 100644
--- a/doc/THANKS
+++ b/doc/THANKS
@@ -63,6 +63,9 @@ Pierre Chifflier <pollux@debian.org> and Mark Hymers <ftpmaster@debian.org>
     for uploading and accepting the sqlmap Debian package to the official
     Debian project repository
 
+Chris Clements <cclements@flatearth.net>
+    for reporting a minor bug
+
 Andreas Constantinides <megahz@megahz.org>
     for reporting a minor bug
 
diff --git a/lib/request/connect.py b/lib/request/connect.py
index 37dfbdeb2..c8a9783a1 100644
--- a/lib/request/connect.py
+++ b/lib/request/connect.py
@@ -576,10 +576,11 @@ class Connect:
 
             _, headers = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, silent=silent, method=method, auxHeaders=auxHeaders, raise404=raise404)
 
-            if kb.nullConnection == NULLCONNECTION.HEAD and HTTPHEADER.CONTENT_LENGTH in headers:
-                pageLength = int(headers[HTTPHEADER.CONTENT_LENGTH])
-            elif kb.nullConnection == NULLCONNECTION.RANGE and HTTPHEADER.CONTENT_RANGE in headers:
-                pageLength = int(headers[HTTPHEADER.CONTENT_RANGE][headers[HTTPHEADER.CONTENT_RANGE].find('/') + 1:])
+            if headers:
+                if kb.nullConnection == NULLCONNECTION.HEAD and HTTPHEADER.CONTENT_LENGTH in headers:
+                    pageLength = int(headers[HTTPHEADER.CONTENT_LENGTH])
+                elif kb.nullConnection == NULLCONNECTION.RANGE and HTTPHEADER.CONTENT_RANGE in headers:
+                    pageLength = int(headers[HTTPHEADER.CONTENT_RANGE][headers[HTTPHEADER.CONTENT_RANGE].find('/') + 1:])
 
         if not pageLength:
             page, headers = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, silent=silent, method=method, auxHeaders=auxHeaders, response=response, raise404=raise404, ignoreTimeout=timeBasedCompare)