diff --git a/usr.bin/colrm/colrm.c b/usr.bin/colrm/colrm.c
index 7f758b9cfbc6..20bbd6e9a622 100644
--- a/usr.bin/colrm/colrm.c
+++ b/usr.bin/colrm/colrm.c
@@ -1,128 +1,134 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1991, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include <sys/types.h>
 #include <err.h>
 #include <errno.h>
 #include <limits.h>
 #include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <wchar.h>
 
+#include <capsicum_helpers.h>
+
 #define	TAB	8
 
 void check(FILE *);
 static void usage(void) __dead2;
 
 int
 main(int argc, char *argv[])
 {
 	u_long column, start, stop;
 	int ch, width;
 	char *p;
 
 	setlocale(LC_ALL, "");
 
+	caph_cache_catpages();
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
+		err(EXIT_FAILURE, "capsicum");
+
 	while ((ch = getopt(argc, argv, "")) != -1)
 		switch(ch) {
 		case '?':
 		default:
 			usage();
 		}
 	argc -= optind;
 	argv += optind;
 
 	start = stop = 0;
 	switch(argc) {
 	case 2:
 		stop = strtol(argv[1], &p, 10);
 		if (stop <= 0 || *p)
 			errx(EXIT_FAILURE, "illegal column -- %s", argv[1]);
 		/* FALLTHROUGH */
 	case 1:
 		start = strtol(argv[0], &p, 10);
 		if (start <= 0 || *p)
 			errx(EXIT_FAILURE, "illegal column -- %s", argv[0]);
 		break;
 	case 0:
 		break;
 	default:
 		usage();
 	}
 
 	if (stop && start > stop)
 		errx(EXIT_FAILURE, "illegal start and stop columns");
 
 	for (column = 0;;) {
 		switch (ch = getwchar()) {
 		case WEOF:
 			check(stdin);
 			break;
 		case '\b':
 			if (column)
 				--column;
 			break;
 		case '\n':
 			column = 0;
 			break;
 		case '\t':
 			column = (column + TAB) & ~(TAB - 1);
 			break;
 		default:
 			if ((width = wcwidth(ch)) > 0)
 				column += width;
 			break;
 		}
 
 		if ((!start || column < start || (stop && column > stop)) &&
 		    putwchar(ch) == WEOF)
 			check(stdout);
 	}
 }
 
 void
 check(FILE *stream)
 {
 	if (feof(stream))
 		exit(EXIT_SUCCESS);
 	if (ferror(stream))
 		err(EXIT_FAILURE, "%s", stream == stdin ? "stdin" : "stdout");
 }
 
 void
 usage(void)
 {
 	(void)fprintf(stderr, "usage: colrm [start [stop]]\n");
 	exit(EXIT_FAILURE);
 }