diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c
--- a/sys/kern/kern_event.c
+++ b/sys/kern/kern_event.c
@@ -1903,7 +1903,7 @@
 
 	kq = fp->f_data;
 	if (fp->f_type != DTYPE_KQUEUE || kq == NULL)
-		return (EBADF);
+		return (EINVAL);
 	*kqp = kq;
 	KQ_LOCK(kq);
 	if ((kq->kq_state & KQ_CLOSING) == KQ_CLOSING) {
diff --git a/sys/kern/sys_procdesc.c b/sys/kern/sys_procdesc.c
--- a/sys/kern/sys_procdesc.c
+++ b/sys/kern/sys_procdesc.c
@@ -129,7 +129,7 @@
 	if (error)
 		return (error);
 	if (fp->f_type != DTYPE_PROCDESC) {
-		error = EBADF;
+		error = EINVAL;
 		goto out;
 	}
 	pd = fp->f_data;
@@ -175,7 +175,7 @@
 	if (error)
 		return (error);
 	if (fp->f_type != DTYPE_PROCDESC) {
-		error = EBADF;
+		error = EINVAL;
 		goto out;
 	}
 	*pidp = procdesc_pid(fp);