diff --git a/helpers/make-dovecot b/helpers/make-dovecot
index c4b2eb2..048b111 100644
--- a/helpers/make-dovecot
+++ b/helpers/make-dovecot
@@ -20,7 +20,7 @@
 VERSION=1
 EXTERNAL='deb-src http://archive.ubuntu.com/ubuntu focal main universe'
 REPOKEY="3B4FE6ACC0B21F32"
-BACKPORT=yes
+BACKPORT=true
 
 . ./config