diff --git a/net-im/zephyr/Makefile b/net-im/zephyr/Makefile
index 893ea53a56bb..948d8b29c06a 100644
--- a/net-im/zephyr/Makefile
+++ b/net-im/zephyr/Makefile
@@ -13,7 +13,7 @@ COMMENT=	Enterprise-scale distributed messaging system
 LICENSE=	MIT
 
 GNU_CONFIGURE=	yes
-USES=		iconv libtool
+USES=		iconv libtool readline
 USE_RC_SUBR=	zhm
 USE_LDCONFIG=	yes
 MAKE_JOBS_UNSAFE=	yes