diff --git a/Misc/NEWS b/Misc/NEWS
index f4be238..136ab5c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -9,6 +9,12 @@
 
 *Release date: XX-XXX-XXXX*
 
+Core and builtins
+-----------------
+
+- Bug #1733488: Fix compilation of bufferobject.c on AIX.
+
+
 Library
 -------
 
diff --git a/Objects/bufferobject.c b/Objects/bufferobject.c
index 5f3c7a9..86515ab 100644
--- a/Objects/bufferobject.c
+++ b/Objects/bufferobject.c
@@ -19,7 +19,7 @@
     READ_BUFFER,
     WRITE_BUFFER,
     CHAR_BUFFER,
-    ANY_BUFFER,
+    ANY_BUFFER
 };
 
 static int