diff --git a/sys/conf/options b/sys/conf/options
index a7f12124d9c..6ddecb8f7f5 100644
--- a/sys/conf/options
+++ b/sys/conf/options
@@ -59,6 +59,7 @@ GDB
 KDB		opt_global.h
 KDB_TRACE	opt_kdb.h
 KDB_UNATTENDED	opt_kdb.h
+KLD_DEBUG	opt_kld.h
 SYSCTL_DEBUG	opt_sysctl.h
 
 # Miscellaneous options.
diff --git a/sys/kern/kern_linker.c b/sys/kern/kern_linker.c
index 5c5bfbd005e..d7e5ade1ca5 100644
--- a/sys/kern/kern_linker.c
+++ b/sys/kern/kern_linker.c
@@ -28,6 +28,7 @@
 __FBSDID("$FreeBSD$");
 
 #include "opt_ddb.h"
+#include "opt_kld.h"
 #include "opt_hwpmc_hooks.h"
 
 #include <sys/param.h>