diff --git a/sys/conf/kern.post.mk b/sys/conf/kern.post.mk
index c0b013528f7..be31b9afeaa 100644
--- a/sys/conf/kern.post.mk
+++ b/sys/conf/kern.post.mk
@@ -236,6 +236,9 @@ kernel-reinstall:
 
 config.o env.o hints.o vers.o vnode_if.o:
 	${NORMAL_C}
+.if defined(CTFCONVERT)
+	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
+.endif
 
 config.ln env.ln hints.ln vers.ln vnode_if.ln:
 	${NORMAL_LINT}