diff --git a/src/main/java/ui/GTURTLEModeling.java b/src/main/java/ui/GTURTLEModeling.java
index d474a51bf4f5218f756963d002c07f4d5642a084..4691bb65b928a0b21876b1309eaba7ca2d17bcd6 100644
--- a/src/main/java/ui/GTURTLEModeling.java
+++ b/src/main/java/ui/GTURTLEModeling.java
@@ -9259,6 +9259,8 @@ public class GTURTLEModeling {
                         //TGConnectingPoint p1= blockMap.get(bl1).getFreeTGConnectingPoint(blockMap.get(bl1).getX(), blockMap.get(bl1).getY());
 
                         conn.setAsynchronous(ar.isAsynchronous());
+                        conn.setSynchronous(!ar.isAsynchronous());
+                        conn.setAMS(false);
                         conn.setBlocking(ar.isBlocking());
                         conn.setPrivate(ar.isPrivate());
                         conn.setSizeOfFIFO(ar.getSizeOfFIFO());