diff --git a/vdagent/desktop_layout.cpp b/vdagent/desktop_layout.cpp
index 7cb2f4b..bce9ac0 100644
--- a/vdagent/desktop_layout.cpp
+++ b/vdagent/desktop_layout.cpp
@@ -243,6 +243,7 @@ bool DesktopLayout::init_dev_mode(LPCTSTR dev_name, DEVMODE* dev_mode, DisplayMo
     DWORD best = -1;
     QXLEscapeSetCustomDisplay custom;
     HDC hdc = NULL;
+    LONG ret;
 
     ZeroMemory(dev_mode, sizeof(DEVMODE));
     dev_mode->dmSize = sizeof(DEVMODE);
@@ -252,6 +253,11 @@ bool DesktopLayout::init_dev_mode(LPCTSTR dev_name, DEVMODE* dev_mode, DisplayMo
         return true;
     }
 
+    // attach
+    EnumDisplaySettings(dev_name, ENUM_CURRENT_SETTINGS, dev_mode);
+    ret = ChangeDisplaySettingsEx(dev_name, dev_mode, NULL, CDS_UPDATEREGISTRY, NULL);
+    vd_printf("attach %d", ret);
+
     // Update custom resolution
     custom.xres = mode->_width;
     custom.yres = mode->_height;