diff --git a/contrib/netbsd-tests/lib/libc/sys/t_truncate.c b/contrib/netbsd-tests/lib/libc/sys/t_truncate.c
index 50a9cbaad4ec..59193a953f37 100644
--- a/contrib/netbsd-tests/lib/libc/sys/t_truncate.c
+++ b/contrib/netbsd-tests/lib/libc/sys/t_truncate.c
@@ -40,6 +40,10 @@ __RCSID("$NetBSD: t_truncate.c,v 1.2 2011/08/18 19:48:03 dholland Exp $");
 #include <string.h>
 #include <unistd.h>
 
+#ifdef __FreeBSD__
+#include <limits.h>
+#endif
+
 static const char path[] = "truncate";
 static const size_t sizes[] = { 8, 16, 512, 1024, 2048, 4094, 3000, 30 };
 
@@ -149,6 +153,9 @@ ATF_TC_HEAD(truncate_err, tc)
 
 ATF_TC_BODY(truncate_err, tc)
 {
+#ifndef __NetBSD__
+	char buf[PATH_MAX];
+#endif
 
 	errno = 0;
 	ATF_REQUIRE_ERRNO(EFAULT, truncate((void *)-1, 999) == -1);
@@ -160,7 +167,13 @@ ATF_TC_BODY(truncate_err, tc)
 	ATF_REQUIRE_ERRNO(ENOENT, truncate("/a/b/c/d/e/f/g", 999) == -1);
 
 	errno = 0;
+#ifdef __NetBSD__
 	ATF_REQUIRE_ERRNO(EACCES, truncate("/usr/bin/fpr", 999) == -1);
+#else
+	snprintf(buf, sizeof(buf), "%s/truncate_test.root_owned",
+	    atf_tc_get_config_var(tc, "srcdir"));
+	ATF_REQUIRE_ERRNO(EACCES, truncate(buf, 999) == -1);
+#endif
 }
 
 ATF_TP_ADD_TCS(tp)