diff --git a/tools/start-stop-daemon.c b/tools/start-stop-daemon.c
index 9f566bd1e2..4406a68f61 100644
--- a/tools/start-stop-daemon.c
+++ b/tools/start-stop-daemon.c
@@ -66,6 +66,12 @@
 #include <linux/sched.h>
 #endif
 
+/* this is in zebra.h, but including that here isn't a good fit... */
+#ifndef HAVE_STRLCPY
+size_t strlcpy(char *__restrict dest,
+	       const char *__restrict src, size_t destsize);
+#endif
+
 static int testmode = 0;
 static int quietmode = 0;
 static int exitnodo = 1;
@@ -749,8 +755,7 @@ static void do_stop(int signal_nr, int quietmode, int *n_killed,
 
 static void set_what_stop(const char *str)
 {
-	strncpy(what_stop, str, sizeof(what_stop));
-	what_stop[sizeof(what_stop) - 1] = '\0';
+	strlcpy(what_stop, str, sizeof(what_stop));
 }
 
 static int run_stop_schedule(void)
diff --git a/tools/subdir.am b/tools/subdir.am
index f2ed2332b8..d88e4946b4 100644
--- a/tools/subdir.am
+++ b/tools/subdir.am
@@ -39,7 +39,7 @@ tools_gen_northbound_callbacks_LDADD = lib/libfrr.la $(LIBYANG_LIBS)
 tools_gen_yang_deviations_SOURCES = tools/gen_yang_deviations.c
 tools_gen_yang_deviations_LDADD = lib/libfrr.la $(LIBYANG_LIBS)
 
-tools_ssd_SOURCES = tools/start-stop-daemon.c
+tools_ssd_SOURCES = tools/start-stop-daemon.c lib/strlcpy.c
 tools_ssd_CPPFLAGS =
 
 # don't bother autoconf'ing these for a simple optional tool