fixes #4395

svn changeset:12125/svn branch:6.3

diff --git a/src/com/vaadin/terminal/gwt/client/ui/dd/VHtml5File.java b/src/com/vaadin/terminal/gwt/client/ui/dd/VHtml5File.java
index 1a1db2910d7700874244bdc5926d169f257c8feb..2e72eead9e540a22d0b59339bbe62d5ad6c10bdd 100644 (file)
--- a/src/com/vaadin/terminal/gwt/client/ui/dd/VHtml5File.java
+++ b/src/com/vaadin/terminal/gwt/client/ui/dd/VHtml5File.java
@@ -24,7 +24,7 @@ public class VHtml5File extends JavaScriptObject {
 
     public native final int getSize()
     /*-{
-        return this.size;
+        return this.size ? this.size : 0;
     }-*/;
 
     public native final void readAsBinary(final Callback callback)