diff --git a/src/ipc/lowlevel.cr b/src/ipc/lowlevel.cr
index fd7e1b8..71bef9d 100644
--- a/src/ipc/lowlevel.cr
+++ b/src/ipc/lowlevel.cr
@@ -21,13 +21,6 @@ lib LibIPC
 		revents : LibC::Short
 	end
 
-	struct Ctx
-		cinfos :   Connection*
-		pollfd :   Pollfd*
-		tx :       Messages
-		size :     LibC::UInt64T
-	end
-
 	struct Switching
 		origin : LibC::Int
 		dest :   LibC::Int
@@ -42,6 +35,14 @@ lib LibIPC
 		size : LibC::UInt
 	end
 
+	struct Ctx
+		cinfos :   Connection*
+		pollfd :   Pollfd*
+		size :     LibC::UInt64T
+		tx :       Messages
+		switchdb : Switchings
+	end
+
 	enum MessageType
 		ServerClose
 		Error