diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/ResourceAllocationController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/ResourceAllocationController.java
index 60cd92967..f453f150e 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/ResourceAllocationController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/ResourceAllocationController.java
@@ -310,7 +310,7 @@ public class ResourceAllocationController extends GenericForwardComposer {
                 percentage = (percentage != null) ? percentage
                         : new BigDecimal(0);
                 percentage = percentage.scaleByPowerOfTen(2).setScale(2,
-                        BigDecimal.ROUND_CEILING);
+                        BigDecimal.ROUND_HALF_EVEN);
             }
             appendLabel(item, percentage.toString());
             // No buttons
@@ -390,7 +390,7 @@ public class ResourceAllocationController extends GenericForwardComposer {
                 public void set(BigDecimal value) {
                     if (value != null) {
                         value = value.setScale(2).divide(new BigDecimal(100),
-                                BigDecimal.ROUND_DOWN);
+                                BigDecimal.ROUND_HALF_EVEN);
                         updateGenericPercentages();
                         decimalbox.setValue(value);
                     }
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/ResourceAllocationModel.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/ResourceAllocationModel.java
index 9108038b4..49a25c98c 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/ResourceAllocationModel.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/ResourceAllocationModel.java
@@ -213,7 +213,7 @@ public class ResourceAllocationModel implements IResourceAllocationModel {
         if (genericResourceAllocations.size() > 0) {
             percentagePerResource = percentagePerResource.setScale(8).divide(
                     new BigDecimal(genericResourceAllocations.size()),
-                    BigDecimal.ROUND_DOWN);
+                    BigDecimal.ROUND_HALF_EVEN);
 
             // Percentage cannot be negative
             if (percentagePerResource.compareTo(new BigDecimal(0)) < 0) {