diff --git a/sorc/gsi_enkf.fd b/sorc/gsi_enkf.fd
index 7da30e79df0..6f500cd5802 160000
--- a/sorc/gsi_enkf.fd
+++ b/sorc/gsi_enkf.fd
@@ -1 +1 @@
-Subproject commit 7da30e79df0c986712c92b30de8136d7caa00adc
+Subproject commit 6f500cd580239fb173377c12f1f4628db1ec9666