diff --git a/doc/THANKS b/doc/THANKS
index 7b67d8ea0..beeedf8b2 100644
--- a/doc/THANKS
+++ b/doc/THANKS
@@ -361,6 +361,8 @@ Stuffe <stuffe.dk@gmail.com>
 Sylphid <sylphid.su@sti.com.tw>
     for suggesting some features
 
+Augusto Urbieta <x2xpy50@gmail.com>
+    for reporting a minor bug
 
 == Organizations ==
 
diff --git a/lib/utils/resume.py b/lib/utils/resume.py
index 2c909c30f..78d1d13a5 100644
--- a/lib/utils/resume.py
+++ b/lib/utils/resume.py
@@ -150,6 +150,9 @@ def resume(expression, payload):
     if not payload:
         return None
 
+    if not kb.dbms:
+        return None
+
     substringQuery = queries[kb.dbms].substring
     select = re.search("\ASELECT ", expression, re.I)