diff --git a/src/os_unix.c b/src/os_unix.c
index 53d32f7..9343996 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -5235,9 +5235,9 @@
 {
     /* call waitpid because child process may become zombie */
 # ifdef __NeXT__
-    wait4(job->jv_pid, NULL, WNOHANG, (struct rusage *)0);
+    (void)wait4(job->jv_pid, NULL, WNOHANG, (struct rusage *)0);
 # else
-    waitpid(job->jv_pid, NULL, WNOHANG);
+    (void)waitpid(job->jv_pid, NULL, WNOHANG);
 # endif
 }
 #endif
diff --git a/src/version.c b/src/version.c
index 234ff56..8ed000b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -744,6 +744,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1472,
+/**/
     1471,
 /**/
     1470,