diff --git a/src/freedombone-base-tripwire b/src/freedombone-base-tripwire
index e05a79c0..7a075436 100755
--- a/src/freedombone-base-tripwire
+++ b/src/freedombone-base-tripwire
@@ -139,7 +139,7 @@ function install_tripwire {
     # Avoid logging the changed database
     sed -i "s|\$(TWETC)/tw.pol.*||g" /etc/tripwire/twpol.txt
     # site key name
-    sed -i "s|$(TWETC)/site.key|\$(TWETC)/\$(HOSTNAME)-site.key|g" /etc/tripwire/twpol.txt
+    sed -i "s|\$(TWETC)/site.key|\$(TWETC)/\$(HOSTNAME)-site.key|g" /etc/tripwire/twpol.txt
 
     # create the policy
     echo '