diff --git a/library/roles/clamav/templates/user.conf.j2 b/library/roles/clamav/templates/user.conf.j2
index 61ed092..e526bb5 100644
--- a/library/roles/clamav/templates/user.conf.j2
+++ b/library/roles/clamav/templates/user.conf.j2
@@ -30,7 +30,7 @@
 
 # Default dbs rating (Default: MEDIUM)
 # valid rating: LOW, MEDIUM, HIGH
-#default_dbs_rating="HIGH"
+default_dbs_rating="LOW"
 
 # Per Database
 # These ratings will override the global rating for the specific database
@@ -48,6 +48,9 @@
 #   http://www.example.org/sigs.ldb
 #) #END ADDITIONAL DATABASES
 
+# master.conf single signatures overrides.
+scamnailer.ndb|DISABLE
+
 # Uncomment the following line to enable the script
 user_configuration_complete="yes"