diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/resources/entities/ResourceEnum.java b/navalplanner-business/src/main/java/org/navalplanner/business/resources/entities/ResourceEnum.java
index b2d5278a4..7deed5f27 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/resources/entities/ResourceEnum.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/resources/entities/ResourceEnum.java
@@ -31,6 +31,6 @@ public enum ResourceEnum {
     }
 
     public boolean isAssignableFrom(Class clase) {
-        return asClass().equals(clase);
+        return asClass().isAssignableFrom(clase);
     }
 }