diff --git a/jsprit-core/src/main/java/algorithms/ServiceInsertionCalculator.java b/jsprit-core/src/main/java/algorithms/ServiceInsertionCalculator.java
index 1c1193e8..6e17dba4 100644
--- a/jsprit-core/src/main/java/algorithms/ServiceInsertionCalculator.java
+++ b/jsprit-core/src/main/java/algorithms/ServiceInsertionCalculator.java
@@ -122,6 +122,7 @@ final class ServiceInsertionCalculator implements JobInsertionCostsCalculator{
 				}
 				else if(status.equals(ConstraintsStatus.NOT_FULFILLED_BREAK)){
 					loopBroken = true;
+					break;
 				}
 			}
 			double nextActArrTime = prevActStartTime + transportCosts.getTransportTime(prevAct.getLocationId(), nextAct.getLocationId(), prevActStartTime, newDriver, newVehicle);