diff --git a/cmd/zpool/zpool_main.c b/cmd/zpool/zpool_main.c
index 54464731b5..370d6b371a 100644
--- a/cmd/zpool/zpool_main.c
+++ b/cmd/zpool/zpool_main.c
@@ -5414,7 +5414,13 @@ print_zpool_dir_scripts(char *dirpath)
 	if ((dir = opendir(dirpath)) != NULL) {
 		/* print all the files and directories within directory */
 		while ((ent = readdir(dir)) != NULL) {
-			sprintf(fullpath, "%s/%s", dirpath, ent->d_name);
+			if (snprintf(fullpath, sizeof (fullpath), "%s/%s",
+			    dirpath, ent->d_name) >= sizeof (fullpath)) {
+				(void) fprintf(stderr,
+				    gettext("internal error: "
+				    "ZPOOL_SCRIPTS_PATH too large.\n"));
+				exit(1);
+			}
 
 			/* Print the scripts */
 			if (stat(fullpath, &dir_stat) == 0)