1 files changed, 1 insertions, 1 deletions
diff --git a/src/sdiff.c b/src/sdiff.c
index ded1837..1633565 100644
--- a/src/sdiff.c
+++ b/src/sdiff.c
@@ -518,7 +518,7 @@ main (int argc, char *argv[])
 
         case 'v':
           version_etc (stdout, PROGRAM_NAME, PACKAGE_NAME, Version,
-                       AUTHORS, (char *) NULL);
+                       AUTHORS, nullptr);
           check_stdout ();
           return EXIT_SUCCESS;