diff --git a/src/java/com/rjconsultores/ventaboletos/web/utilerias/MyAppInit.java b/src/java/com/rjconsultores/ventaboletos/web/utilerias/MyAppInit.java
index 40e2db146..b6624eeb6 100644
--- a/src/java/com/rjconsultores/ventaboletos/web/utilerias/MyAppInit.java
+++ b/src/java/com/rjconsultores/ventaboletos/web/utilerias/MyAppInit.java
@@ -70,7 +70,7 @@ public class MyAppInit implements org.zkoss.zk.ui.util.WebAppInit {
         arrayHoraMinuto[0] = 1;
         arrayHoraMinuto[1] = 0;
 
-        if (constante.getValorconstante() == null) {
+        if ( (constante == null) || (constante.getValorconstante() == null)) {
             return null;
         }