diff --git a/src/cloud/occi/lib/ui/public/js/plugins/compute.js b/src/cloud/occi/lib/ui/public/js/plugins/compute.js
index 2f405ad7c7..5b99c81c9f 100644
--- a/src/cloud/occi/lib/ui/public/js/plugins/compute.js
+++ b/src/cloud/occi/lib/ui/public/js/plugins/compute.js
@@ -1013,6 +1013,7 @@ function setupVNC(){
         modal:true,
         height:500,
         resizable:true,
+        closeOnEscape: false
     });
 
     $('#sendCtrlAltDelButton',dialog).click(function(){
diff --git a/src/sunstone/public/js/plugins/vms-tab.js b/src/sunstone/public/js/plugins/vms-tab.js
index 8a936c904a..e4ec4f57d8 100644
--- a/src/sunstone/public/js/plugins/vms-tab.js
+++ b/src/sunstone/public/js/plugins/vms-tab.js
@@ -1300,6 +1300,7 @@ function setupVNC(){
         modal:true,
         height:500,
         resizable:true,
+        closeOnEscape: false
     });
 
     $('#sendCtrlAltDelButton',dialog).click(function(){