diff --git a/searx/plugins/self_info.py b/searx/plugins/self_info.py
index 4fdfb428..74505c57 100644
--- a/searx/plugins/self_info.py
+++ b/searx/plugins/self_info.py
@@ -31,7 +31,7 @@ p = re.compile('.*user[ -]agent.*', re.IGNORECASE)
 def post_search(request, search):
     if search.search_query.pageno > 1:
         return True
-    if search.search_query.query == 'ip':
+    if search.search_query.query.lower() == 'ip':
         x_forwarded_for = request.headers.getlist("X-Forwarded-For")
         if x_forwarded_for:
             ip = x_forwarded_for[0]