diff --git a/classes/system b/classes/system
index 4891217..1bf90d1 160000
--- a/classes/system
+++ b/classes/system
@@ -1 +1 @@
-Subproject commit 4891217841b3cf27f247652b949ef28aa6068b87
+Subproject commit 1bf90d1b77910f52ab3e4c15d2265e03174da961