diff --git a/class/DEFAULT.var b/class/DEFAULT.var
index ce0727b..264df0f 100644
--- a/class/DEFAULT.var
+++ b/class/DEFAULT.var
@@ -1,2 +1,4 @@
+FAI_ALLOW_UNSIGNED="unfortunatly true"
+
 hosterrorpatterns="XXXXX"
 hostignorepatterns="XXXXX"
diff --git a/hooks/savelog.LAST.source b/hooks/savelog.LAST.source
index 954ad31..ae9e402 100755
--- a/hooks/savelog.LAST.source
+++ b/hooks/savelog.LAST.source
@@ -116,6 +116,12 @@ can't read /etc/udev/rules.d/z25_persistent-net.rules
 /cow': No such file or directory
 Dummy start-stop-daemon called
 cdrom: open failed."
+# add pattern on some conditions
+if [ -n $FAI_ALLOW_UNSIGNED ] ; then
+   globalignorepatterns="$globalignorepatterns
+WARNING: untrusted versions
+Ignoring these trust violations"
+fi
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 # Here you can define your own patterns. Put one pattern in a line,
 # do not create empty lines.