diff --git a/securityheaders/securityheader.py b/securityheaders/securityheader.py
index 4041c64..f0fe18a 100644
--- a/securityheaders/securityheader.py
+++ b/securityheaders/securityheader.py
@@ -230,7 +230,7 @@ def check_headers(self, url, follow_redirects = 3, options=None):
             """ Follow redirect """
             if (res.status >= 300 and res.status < 400  and follow_redirects > 0):
                 for header in headers:
-                    if (header[0] == 'location'):
+                    if (header[0].lower() == 'location'):
                         return self.check_headers((urlid, header[1]), follow_redirects - 1, options) 
                 
             """ Loop through headers and evaluate the risk """