diff --git a/lib/ocelot-brain b/lib/ocelot-brain
index db1a8c3..54101b1 160000
--- a/lib/ocelot-brain
+++ b/lib/ocelot-brain
@@ -1 +1 @@
-Subproject commit db1a8c3ac5ebc247086327303a47313456a4e987
+Subproject commit 54101b1c0413c5c8ffb26ecc9325c5a5e069dae3
diff --git a/src/main/scala/ocelot/desktop/windows/RackWindow.scala b/src/main/scala/ocelot/desktop/windows/RackWindow.scala
index 6215238..a5c4df3 100644
--- a/src/main/scala/ocelot/desktop/windows/RackWindow.scala
+++ b/src/main/scala/ocelot/desktop/windows/RackWindow.scala
@@ -176,7 +176,7 @@ class RackWindow(rackNode: RackNode) extends PanelWindow {
 
                                 rackNode.rack.connect(
                                   mountableIndex,
-                                  connectableIndex,
+                                  connectableIndex - 1,
                                   // Connection already exists, removing it
                                   if (oldConnection.isDefined && oldConnection.get == direction)
                                     None