diff --git a/profiles/apparmor.d/zgrep b/profiles/apparmor.d/zgrep
index 780ac4931..31975a67c 100644
--- a/profiles/apparmor.d/zgrep
+++ b/profiles/apparmor.d/zgrep
@@ -20,6 +20,7 @@ profile zgrep /usr/bin/{x,}zgrep {
   /usr/bin/{ba,da,}sh ix,
   /usr/bin/bzip2 Cx -> helper,
   /usr/bin/cat ix,
+  /usr/bin/expr ix,
   /usr/bin/grep Cx -> helper,
   /usr/bin/gzip Cx -> helper,
   /usr/bin/mktemp ix,