--- ./tests/test-mongoc-cursor.c.int64-lld-v2	2018-04-09 21:26:08 +0200
+++ ./tests/test-mongoc-cursor.c	2018-04-24 16:47:13 +0200
@@ -186,11 +186,17 @@
 
       mongoc_cursor_destroy (cursor);
 
+#ifdef _AIX
+#define NUMBERLONG_FORMAT "'%lld'"
+#else
+#define NUMBERLONG_FORMAT "'%d'"
+#endif
+
       if (limits[i] > 0) {
-         opts = tmp_bson ("{'limit': {'$numberLong': '%d'}}", limits[i]);
+         opts = tmp_bson ("{'limit': {'$numberLong': " NUMBERLONG_FORMAT "}}", limits[i]);
       } else {
          opts =
-            tmp_bson ("{'singleBatch': true, 'limit': {'$numberLong': '%d'}}",
+            tmp_bson ("{'singleBatch': true, 'limit': {'$numberLong': " NUMBERLONG_FORMAT "}}",
                       -limits[i]);
       }