diff --git a/doc/THANKS b/doc/THANKS
index 84e6004b2..fae5ede33 100644
--- a/doc/THANKS
+++ b/doc/THANKS
@@ -99,6 +99,9 @@ Oliver Gruskovnjak <oliver.gruskovnjak@gmail.com>
 Davide Guerri <d.guerri@caspur.it>
     for suggesting an enhancement
 
+David Guimaraes <skysbsb@gmail.com>
+    for reporting a bug
+
 Kristian Erik Hermansen <kristian.hermansen@gmail.com>
     for reporting a bug
     for donating to sqlmap development