diff --git a/web/documentserver-example/java/src/main/java/helpers/DocumentManager.java b/web/documentserver-example/java/src/main/java/helpers/DocumentManager.java
index e26f203d..7c05da7d 100644
--- a/web/documentserver-example/java/src/main/java/helpers/DocumentManager.java
+++ b/web/documentserver-example/java/src/main/java/helpers/DocumentManager.java
@@ -277,7 +277,7 @@ public class DocumentManager
 
 
     public static String GetServerUrl(Boolean forDocumentServer) {
-        if (forDocumentServer && ConfigManager.GetProperty("files.docservice.url.example") != "") {
+        if (forDocumentServer && !ConfigManager.GetProperty("files.docservice.url.example").equals("")) {
             return ConfigManager.GetProperty("files.docservice.url.example");
         } else {
             return request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + request.getContextPath();
diff --git a/web/documentserver-example/java/src/main/resources/settings.properties b/web/documentserver-example/java/src/main/resources/settings.properties
index 470ffeac..76a8c7c7 100644
--- a/web/documentserver-example/java/src/main/resources/settings.properties
+++ b/web/documentserver-example/java/src/main/resources/settings.properties
@@ -11,7 +11,7 @@ files.docservice.url.converter=ConvertService.ashx
 files.docservice.url.tempstorage=ResourceService.ashx
 files.docservice.url.api=web-apps/apps/api/documents/api.js
 files.docservice.url.preloader=web-apps/apps/api/documents/cache-scripts.html
-files.docservice.url.example=null
+files.docservice.url.example=
 
 files.docservice.secret=
 files.docservice.header=Authorization
\ No newline at end of file