diff --git a/src/freedombone b/src/freedombone
index 0ccdf6ca..86c0910b 100755
--- a/src/freedombone
+++ b/src/freedombone
@@ -9596,6 +9596,9 @@ function intrusion_detection {
     if ! grep -q '!/etc/share/tt-rss/cache' /etc/tripwire/twpol.txt; then
         sed -i '\|/etc\t\t->.*|a\    !/etc/share/tt-rss/cache' /etc/tripwire/twpol.txt
     fi
+    if ! grep -q '!/etc/share/tt-rss/lock' /etc/tripwire/twpol.txt; then
+        sed -i '\|/etc\t\t->.*|a\    !/etc/share/tt-rss/lock' /etc/tripwire/twpol.txt
+    fi
     # Avoid logging the changed database
     sed -i 's|$(TWETC)/tw.pol.*||g' /etc/tripwire/twpol.txt
     # recreate the configuration