diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
index c14b00836..0921fe1b5 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
@@ -388,6 +388,7 @@ public class AdvancedAllocationController extends GenericForwardComposer {
     }
 
     public void reset(IBack back, List<AllocationInput> allocationInputs) {
+        rowsCached = null;
         setInputData(back, allocationInputs);
         loadAndInitializeComponents();
     }