diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/orders/TimSynchronizationController.java b/libreplan-webapp/src/main/java/org/libreplan/web/orders/TimSynchronizationController.java
index 9303b8b59..678e4e699 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/orders/TimSynchronizationController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/orders/TimSynchronizationController.java
@@ -100,9 +100,9 @@ public class TimSynchronizationController extends GenericForwardComposer {
         }
     }
 
-    public boolean isTimDeactivated() {
+    public boolean isTimActivated() {
         AppProperties appProperties = appPropertiesDAO.findByMajorIdAndName(
                 "Tim", "Activated");
-        return !appProperties.getPropertyValue().equalsIgnoreCase("Y");
+        return appProperties.getPropertyValue().equalsIgnoreCase("Y");
     }
 }
diff --git a/libreplan-webapp/src/main/webapp/orders/components/_timOrderTimesheetSync.zul b/libreplan-webapp/src/main/webapp/orders/components/_timOrderTimesheetSync.zul
index 3d7d377f0..88eb48348 100644
--- a/libreplan-webapp/src/main/webapp/orders/components/_timOrderTimesheetSync.zul
+++ b/libreplan-webapp/src/main/webapp/orders/components/_timOrderTimesheetSync.zul
@@ -17,39 +17,38 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  -->
 
-<vbox id="${arg.id}"
-    apply="org.libreplan.web.orders.TimSynchronizationController" width="100%">
-<groupbox style="margin-top: 5px" closable="false">
-   <caption label="${i18n:_('Tim sync information')}" />
-   <separator spacing="10px"/>
-   <hbox width="100%">
-       <separator spacing="10px" width="100%"/>
-
-       <grid fixedLayout="true" hflex="1">
-           <columns>
-               <column width="200px" />
-               <column  />
-           </columns>
-           <rows>
-                 <row>
-                    <label value="${i18n:_('Tim last sync')}"/>
-                    <hbox>
+<groupbox id="${arg.id}"
+    apply="org.libreplan.web.orders.TimSynchronizationController"
+    style="margin-top: 5px" closable="false"
+    visible="@{timSynchronizationController.timActivated}">
+    <caption label="${i18n:_('Tim sync information')}" />
+    <separator spacing="10px"/>
+    <hbox width="100%">
+        <separator spacing="10px" width="100%"/>
+        <grid fixedLayout="true" hflex="1">
+            <columns>
+                <column width="200px" />
+                <column  />
+            </columns>
+            <rows>
+               <row>
+                   <label value="${i18n:_('Tim last sync')}"/>
+                   <hbox>
                        <label id="labelLastSyncDate" value=""/>
                        <separator bar="false" spacing="15px" orient="vertical"/>
                        <label id="labelProductCode" value=""/>
-                    </hbox>
-                    </row>
-                 <row>
-                    <label value="${i18n:_('Tim product code')}"/>
-                    <hbox>
+                   </hbox>
+               </row>
+               <row>
+                   <label value="${i18n:_('Tim product code')}"/>
+                   <hbox>
                        <textbox id="txtProductCode" value=""
                            width="350px"/>
-                        <button label="${i18n:_('Export to Tim')}" id="exportToTimButton" disabled="@{timSynchronizationController.timDeactivated}"
+                       <button label="${i18n:_('Export to Tim')}" id="exportToTimButton"
                            onClick="timSynchronizationController.startExportToTim()" />
-                    </hbox>
+                   </hbox>
                </row>
            </rows>
        </grid>
    </hbox>
-</groupbox>
-</vbox>
+</groupbox>
\ No newline at end of file