diff --git a/openfpm_io b/openfpm_io
index ed943ea039fc5c9361603d054efdcc3a1200f81b..4439fd069db57f96b1f27fa6f6e8443275043ca5 160000
--- a/openfpm_io
+++ b/openfpm_io
@@ -1 +1 @@
-Subproject commit ed943ea039fc5c9361603d054efdcc3a1200f81b
+Subproject commit 4439fd069db57f96b1f27fa6f6e8443275043ca5