diff --git a/libreplan-business/src/main/java/org/libreplan/business/planner/chart/ContiguousDaysLine.java b/libreplan-business/src/main/java/org/libreplan/business/planner/chart/ContiguousDaysLine.java
index d615d35bc..5e37116c2 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/planner/chart/ContiguousDaysLine.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/planner/chart/ContiguousDaysLine.java
@@ -33,7 +33,7 @@ import java.util.TreeMap;
 import org.apache.commons.lang.Validate;
 import org.joda.time.Days;
 import org.joda.time.LocalDate;
-import org.libreplan.business.planner.chart.ContiguousDaysLine.ONDay;
+import org.libreplan.business.planner.chart.ContiguousDaysLine.OnDay;
 import org.libreplan.business.planner.entities.DayAssignment;
 import org.libreplan.business.workingday.EffortDuration;
 
@@ -45,15 +45,15 @@ import org.libreplan.business.workingday.EffortDuration;
  * @author Óscar González Fernández <ogonzalez@igalia.com>
  *
  */
-public class ContiguousDaysLine<T> implements Iterable<ONDay<T>> {
+public class ContiguousDaysLine<T> implements Iterable<OnDay<T>> {
 
-    public static class ONDay<T> {
+    public static class OnDay<T> {
 
         private final LocalDate day;
 
         private final T value;
 
-        private ONDay(LocalDate day, T value) {
+        private OnDay(LocalDate day, T value) {
             Validate.notNull(day);
             this.day = day;
             this.value = value;
@@ -175,7 +175,7 @@ public class ContiguousDaysLine<T> implements Iterable<ONDay<T>> {
     public static SortedMap<LocalDate, EffortDuration> toSortedMap(
             ContiguousDaysLine<EffortDuration> line) {
         SortedMap<LocalDate, EffortDuration> result = new TreeMap<LocalDate, EffortDuration>();
-        for (ONDay<EffortDuration> each : line) {
+        for (OnDay<EffortDuration> each : line) {
             result.put(each.getDay(), each.getValue());
         }
         return result;
@@ -266,7 +266,7 @@ public class ContiguousDaysLine<T> implements Iterable<ONDay<T>> {
                 min(getEndExclusive(), endExclusive));
         ContiguousDaysLine<T> result = new ContiguousDaysLine<T>(newStart,
                 days.getDays());
-        for (ONDay<T> each : result) {
+        for (OnDay<T> each : result) {
             result.set(each.getDay(), this.get(each.getDay()));
         }
         return result;
@@ -332,7 +332,7 @@ public class ContiguousDaysLine<T> implements Iterable<ONDay<T>> {
         }
         ContiguousDaysLine<R> result = ContiguousDaysLine.create(
                 startInclusive, getEndExclusive());
-        for (ONDay<T> onDay : this) {
+        for (OnDay<T> onDay : this) {
             LocalDate day = onDay.getDay();
             result.set(day, doubleTransformer.transform(day, onDay.getValue()));
         }
@@ -368,9 +368,9 @@ public class ContiguousDaysLine<T> implements Iterable<ONDay<T>> {
     }
 
     @Override
-    public Iterator<ONDay<T>> iterator() {
+    public Iterator<OnDay<T>> iterator() {
         final Iterator<T> iterator = values.iterator();
-        return new Iterator<ONDay<T>>() {
+        return new Iterator<OnDay<T>>() {
 
             private LocalDate current = startInclusive;
 
@@ -380,9 +380,9 @@ public class ContiguousDaysLine<T> implements Iterable<ONDay<T>> {
             }
 
             @Override
-            public ONDay<T> next() {
+            public OnDay<T> next() {
                 T next = iterator.next();
-                ONDay<T> result = new ONDay<T>(current, next);
+                OnDay<T> result = new OnDay<T>(current, next);
                 current = current.plusDays(1);
                 return result;
             }
diff --git a/libreplan-business/src/test/java/org/libreplan/business/test/planner/chart/ContiguousDaysLineTest.java b/libreplan-business/src/test/java/org/libreplan/business/test/planner/chart/ContiguousDaysLineTest.java
index df477e497..f0a6c9ee0 100644
--- a/libreplan-business/src/test/java/org/libreplan/business/test/planner/chart/ContiguousDaysLineTest.java
+++ b/libreplan-business/src/test/java/org/libreplan/business/test/planner/chart/ContiguousDaysLineTest.java
@@ -17,7 +17,7 @@ import org.joda.time.LocalDate;
 import org.junit.Test;
 import org.libreplan.business.planner.chart.ContiguousDaysLine;
 import org.libreplan.business.planner.chart.ContiguousDaysLine.IValueTransformer;
-import org.libreplan.business.planner.chart.ContiguousDaysLine.ONDay;
+import org.libreplan.business.planner.chart.ContiguousDaysLine.OnDay;
 
 public class ContiguousDaysLineTest {
 
@@ -50,7 +50,7 @@ public class ContiguousDaysLineTest {
 
     @Test
     public void initiallyTheValuesAreNull() {
-        for (ONDay<String> onDay : ContiguousDaysLine.create(someDate,
+        for (OnDay<String> onDay : ContiguousDaysLine.create(someDate,
                 someDate.plusDays(2), String.class)) {
             assertThat(onDay.getValue(), nullValue());
         }
@@ -71,7 +71,7 @@ public class ContiguousDaysLineTest {
             public boolean matches(Object object) {
                 if (object instanceof ContiguousDaysLine) {
                     ContiguousDaysLine<?> line = (ContiguousDaysLine) object;
-                    for (ONDay<?> each : line) {
+                    for (OnDay<?> each : line) {
                         if(! ObjectUtils.equals(value, each.getValue())){
                             return false;
                         }
@@ -178,7 +178,7 @@ public class ContiguousDaysLineTest {
             public boolean matches(Object object) {
                 if (object instanceof ContiguousDaysLine) {
                     ContiguousDaysLine<?> another = (ContiguousDaysLine<?>) object;
-                    for (ONDay<?> each : line) {
+                    for (OnDay<?> each : line) {
                         if (!ObjectUtils.equals(each.getValue(),
                                 another.get(each.getDay()))) {
                             return false;
@@ -192,7 +192,7 @@ public class ContiguousDaysLineTest {
             @Override
             public void describeTo(Description description) {
                 List<Object> values = new ArrayList<Object>();
-                for (ONDay<?> each : line) {
+                for (OnDay<?> each : line) {
                     values.add(each.getValue());
                 }
                 description.appendText("the line has values: " + values);
diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java b/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java
index c4ea06937..921da84f9 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java
@@ -59,7 +59,7 @@ import org.libreplan.business.orders.entities.Order;
 import org.libreplan.business.orders.entities.OrderElement;
 import org.libreplan.business.orders.entities.OrderStatusEnum;
 import org.libreplan.business.planner.chart.ContiguousDaysLine;
-import org.libreplan.business.planner.chart.ContiguousDaysLine.ONDay;
+import org.libreplan.business.planner.chart.ContiguousDaysLine.OnDay;
 import org.libreplan.business.planner.chart.ResourceLoadChartData;
 import org.libreplan.business.planner.entities.DayAssignment;
 import org.libreplan.business.planner.entities.ICostCalculator;
@@ -1205,10 +1205,10 @@ public class OrderPlanningModel implements IOrderPlanningModel {
                 ContiguousDaysLine<List<DayAssignment>> orderAssignments) {
             List<DayAssignment> filteredAssignments = new ArrayList<DayAssignment>();
 
-            Iterator<ONDay<List<DayAssignment>>> iterator = orderAssignments
+            Iterator<OnDay<List<DayAssignment>>> iterator = orderAssignments
                     .iterator();
             while (iterator.hasNext()) {
-                ONDay<List<DayAssignment>> onDay = iterator.next();
+                OnDay<List<DayAssignment>> onDay = iterator.next();
                 Set<Resource> resources = getResources(onDay.getValue());
                 filteredAssignments.addAll(filterAssignmentsByResource(
                         allAssignments.get(onDay.getDay()), resources));