diff --git a/apr-util-1.6.3-lmdb-support.patch b/apr-util-1.6.3-lmdb-support.patch
index b85f701..440d3d9 100644
--- a/apr-util-1.6.3-lmdb-support.patch
+++ b/apr-util-1.6.3-lmdb-support.patch
@@ -364,7 +364,7 @@ index 0000000..fe76779
 +        if (dberr == 0) {
 +            /*   Default to 2GB map size which limits the total database
 +             *   size to something reasonable. */
-+            dberr = mdb_env_set_mapsize(file.env, UINT32_MAX);
++            dberr = mdb_env_set_mapsize(file.env, INT32_MAX);
 +        }
 +
 +        if (dberr == 0) {