diff --git a/release/Makefile b/release/Makefile
index f34b2936ba3..377216a48b9 100644
--- a/release/Makefile
+++ b/release/Makefile
@@ -77,7 +77,7 @@ DIST_DOCS= ABOUT.TXT ERRATA.TXT LAYOUT.TXT README.TXT HARDWARE.TXT \
 # Things which without too much trouble can be considered variables
 # BIN_DISTS are special in that they get full /etc installation sets.
 #
-COMPAT_DISTS?=	compat1x compat20 compat21 compat22 compat3x
+COMPAT_DISTS?=	compat1x compat20 compat21 compat22 compat3x compat4x
 OTHER_DISTS?=	manpages catpages games proflibs dict info doc
 CRYPTO_DISTS?=	crypto krb4 krb5
 BIN_DISTS?=	bin