diff --git a/src/java/com/rjconsultores/ventaboletos/web/utilerias/ConstraintDecimalBoxNumberValid.java b/src/java/com/rjconsultores/ventaboletos/web/utilerias/ConstraintDecimalBoxNumberValid.java
new file mode 100644
index 000000000..0ee6526d1
--- /dev/null
+++ b/src/java/com/rjconsultores/ventaboletos/web/utilerias/ConstraintDecimalBoxNumberValid.java
@@ -0,0 +1,26 @@
+package com.rjconsultores.ventaboletos.web.utilerias;
+
+import java.math.BigDecimal;
+import org.zkoss.util.resource.Labels;
+import org.zkoss.zk.ui.Component;
+import org.zkoss.zk.ui.WrongValueException;
+import org.zkoss.zul.Constraint;
+
+/**
+ *
+ * @author Claudio
+ */
+public class ConstraintDecimalBoxNumberValid implements Constraint {
+
+    public void validate(Component comp, Object value) throws WrongValueException {
+		try {
+			new BigDecimal(value.toString().replace(".", "").replace(",", "."));
+		} catch (NumberFormatException e) {
+			throw new WrongValueException(comp,
+					Labels.getLabel("MSG.CONSTRAINT.DECIMALBOXISNOTANUMBER"));
+		} catch (NullPointerException e) {
+			throw new WrongValueException(comp,
+					Labels.getLabel("MSG.CONSTRAINT.DECIMALBOXISNOTANUMBER"));
+		}
+    }
+}
diff --git a/web/gui/pricing/editarPricingImporte.zul b/web/gui/pricing/editarPricingImporte.zul
index 749ec94c8..c0d0fc0a5 100644
--- a/web/gui/pricing/editarPricingImporte.zul
+++ b/web/gui/pricing/editarPricingImporte.zul
@@ -32,7 +32,7 @@
             <rows>
                 <row>
                     <label value="${c:l('editarPricingController.importe.value')}"/>
-                    <textbox id="importe" constraint="no empty, no zero, no negative"  precision="7" scale="2"
+                    <textbox id="importe" constraint="${c:new('com.rjconsultores.ventaboletos.web.utilerias.ConstraintDecimalBoxNumberValid')}"  precision="7" scale="2"
                         use="com.rjconsultores.ventaboletos.web.utilerias.MyTextboxDecimal"
                         value="@{winEditarPricingImporte$composer.pricingImporte.importe,
                             converter=com.rjconsultores.ventaboletos.web.utilerias.StringDecimalToDecimalConverter}"/>