diff --git a/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/InsertionBuilder.java b/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/InsertionBuilder.java
index 437fe79d..68381178 100644
--- a/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/InsertionBuilder.java
+++ b/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/InsertionBuilder.java
@@ -191,8 +191,9 @@ public class InsertionBuilder {
 		timeScheduling=true;
 	}
 
-	public void setAllowVehicleSwitch(boolean allowVehicleSwitch) {
+	public InsertionBuilder setAllowVehicleSwitch(boolean allowVehicleSwitch) {
 		this.allowVehicleSwitch = allowVehicleSwitch;
+		return this;
 	}