diff --git a/sys/modules/mqueue/Makefile b/sys/modules/mqueue/Makefile
index 1a2955633c26..f86c78bc7566 100644
--- a/sys/modules/mqueue/Makefile
+++ b/sys/modules/mqueue/Makefile
@@ -5,6 +5,6 @@
 KMOD=	mqueuefs
 SRCS=	uipc_mqueue.c \
 	vnode_if.h \
-	opt_posix.h opt_compat.h
+	opt_posix.h opt_compat.h opt_capsicum.h
 
 .include <bsd.kmod.mk>