diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/advance/entities/AdvanceType.java b/navalplanner-business/src/main/java/org/navalplanner/business/advance/entities/AdvanceType.java
index 9d107e6a6..96cedd6c6 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/advance/entities/AdvanceType.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/advance/entities/AdvanceType.java
@@ -69,6 +69,10 @@ public class AdvanceType extends BaseEntity {
         return this.updatable;
     }
 
+    public boolean isImmutable() {
+        return !this.updatable;
+    }
+
     public void setUnitPrecision(BigDecimal precision) {
         this.unitPrecision = precision;
         this.unitPrecision.setScale(4, BigDecimal.ROUND_HALF_UP);
diff --git a/navalplanner-webapp/src/main/webapp/advance/_listAdvanceTypes.zul b/navalplanner-webapp/src/main/webapp/advance/_listAdvanceTypes.zul
index debfdef57..f9515260e 100644
--- a/navalplanner-webapp/src/main/webapp/advance/_listAdvanceTypes.zul
+++ b/navalplanner-webapp/src/main/webapp/advance/_listAdvanceTypes.zul
@@ -9,9 +9,9 @@
         <rows>
             <row self="@{each='advanceType'}" value="@{advanceType}">
                 <hbox>
-                    <button label="Edit" onClick="controller.goToEditForm(self.parent.parent.value);">
+                    <button label="Edit" disabled="@{advanceType.immutable}" onClick="controller.goToEditForm(self.parent.parent.value);">
                     </button>
-                    <button label="Remove" onClick="controller.confirmRemove(self.parent.parent.value);">
+                    <button label="Remove" disabled="@{advanceType.immutable}" onClick="controller.confirmRemove(self.parent.parent.value);">
                     </button>
                 </hbox>
                 <label value="@{advanceType.unitName}"/>