diff --git a/debian/dump1090-fa.postinst b/debian/dump1090-fa.postinst
index 01f661f..c717459 100644
--- a/debian/dump1090-fa.postinst
+++ b/debian/dump1090-fa.postinst
@@ -63,7 +63,7 @@ case "$1" in
             fi
         fi
 
-        if dpkg --compare-versions "$2" lt-nl "5.0"
+        if dpkg --compare-versions "$2" le "5.0"
         then
             echo "Enabling lighttpd skyaware module.." >&2
             lighty-enable-mod skyaware || true