diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/common/LenientDecimalBox.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/common/LenientDecimalBox.java
new file mode 100644
index 000000000..596afbe7b
--- /dev/null
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/common/LenientDecimalBox.java
@@ -0,0 +1,64 @@
+/*
+ * This file is part of NavalPlan
+ *
+ * Copyright (C) 2011 Igalia, S.L.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.navalplanner.web.common;
+
+import java.math.BigDecimal;
+import java.text.DecimalFormatSymbols;
+
+import org.zkoss.util.Locales;
+import org.zkoss.zk.ui.WrongValueException;
+import org.zkoss.zul.Decimalbox;
+
+/**
+ * Same behavior as a {@link Decimalbox}, but it always interprets <b>,</b> and
+ * <b>.</b> as decimals separators. So you can use both freely as decimal
+ * separators.
+ *
+ * @author Óscar González Fernández <ogonzalez@igalia.com>
+ *
+ */
+public class LenientDecimalBox extends Decimalbox {
+
+    public LenientDecimalBox() {
+        super();
+    }
+
+    public LenientDecimalBox(BigDecimal value) throws WrongValueException {
+        super(value);
+    }
+
+    @Override
+    protected Object coerceFromString(String value) throws WrongValueException {
+        return super
+                .coerceFromString(interpretCommasAndPointsAsDecimalSeparator(value));
+    }
+
+    private String interpretCommasAndPointsAsDecimalSeparator(String value) {
+        if (value == null) {
+            return null;
+        }
+        final DecimalFormatSymbols symbols = new DecimalFormatSymbols(
+                Locales.getCurrent());
+
+        char decimalSeparator = symbols.getDecimalSeparator();
+        return value.replace('.', decimalSeparator).replace(',',
+                decimalSeparator);
+    }
+
+}
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AllocationRow.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AllocationRow.java
index aed7422f6..6558d7b3c 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AllocationRow.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AllocationRow.java
@@ -58,6 +58,7 @@ import org.navalplanner.business.workingday.EffortDuration;
 import org.navalplanner.business.workingday.EffortDuration.IEffortFrom;
 import org.navalplanner.business.workingday.ResourcesPerDay;
 import org.navalplanner.web.common.EffortDurationBox;
+import org.navalplanner.web.common.LenientDecimalBox;
 import org.navalplanner.web.common.Util;
 import org.navalplanner.web.planner.allocation.ResourceAllocationController.DerivedAllocationColumn;
 import org.zkoss.zk.au.out.AuWrongValue;
@@ -272,7 +273,7 @@ public abstract class AllocationRow {
 
     private EffortDurationBox effortInput = new EffortDurationBox();
 
-    private final Decimalbox intendedResourcesPerDayInput = new Decimalbox();
+    private final Decimalbox intendedResourcesPerDayInput = new LenientDecimalBox();
 
     private ResourcesPerDay editedValue;
 
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationController.java
index 57788e662..a9ddd1191 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationController.java
@@ -40,6 +40,7 @@ import org.navalplanner.business.resources.entities.ResourceEnum;
 import org.navalplanner.web.I18nHelper;
 import org.navalplanner.web.common.EffortDurationBox;
 import org.navalplanner.web.common.IMessagesForUser;
+import org.navalplanner.web.common.LenientDecimalBox;
 import org.navalplanner.web.common.Util;
 import org.navalplanner.web.common.components.AllocationSelector;
 import org.navalplanner.web.common.components.NewAllocationSelector;
@@ -154,7 +155,7 @@ public class ResourceAllocationController extends GenericForwardComposer {
     @Override
     public void doAfterCompose(Component comp) throws Exception {
         super.doAfterCompose(comp);
-        allResourcesPerDay = new Decimalbox();
+        allResourcesPerDay = new LenientDecimalBox();
         allResourcesPerDay.setWidth("80px");
         initAllocationLabels();
         makeReadyInputsForCalculationTypes();