diff --git a/examples/nx/nx_main.c b/examples/nx/nx_main.c
index 9f90bf252..0b3142e84 100644
--- a/examples/nx/nx_main.c
+++ b/examples/nx/nx_main.c
@@ -220,7 +220,7 @@ static inline NXEGWINDOW nxeg_openwindow(FAR const struct nx_callback_s *cb,
 {
   NXEGWINDOW hwnd;
 
-  hwnd = nx_openwindow(g_hnx, cb, (FAR void *)state);
+  hwnd = nx_openwindow(g_hnx, 0, cb, (FAR void *)state);
   if (!hwnd)
     {
       printf("nxeg_openwindow: nx_openwindow failed: %d\n", errno);
@@ -234,7 +234,7 @@ static inline NXEGWINDOW nxeg_openwindow(FAR const struct nx_callback_s *cb,
 {
   NXEGWINDOW hwnd;
 
-  hwnd = nxtk_openwindow(g_hnx, cb, (FAR void *)state);
+  hwnd = nxtk_openwindow(g_hnx, 0, cb, (FAR void *)state);
   if (!hwnd)
     {
       printf("nxeg_openwindow: nxtk_openwindow failed: %d\n", errno);
diff --git a/examples/nxterm/nxterm_main.c b/examples/nxterm/nxterm_main.c
index 1a56f6335..e80b64836 100644
--- a/examples/nxterm/nxterm_main.c
+++ b/examples/nxterm/nxterm_main.c
@@ -294,7 +294,7 @@ int nxterm_main(int argc, char **argv)
   /* Create a window */
 
   printf("nxterm_main: Create window\n");
-  g_nxterm_vars.hwnd = nxtk_openwindow(g_nxterm_vars.hnx, &g_nxtermcb,
+  g_nxterm_vars.hwnd = nxtk_openwindow(g_nxterm_vars.hnx, 0, &g_nxtermcb,
                                        NULL);
   if (!g_nxterm_vars.hwnd)
     {
diff --git a/examples/nxtext/nxtext_popup.c b/examples/nxtext/nxtext_popup.c
index 3f2d85ef4..0daccf42e 100644
--- a/examples/nxtext/nxtext_popup.c
+++ b/examples/nxtext/nxtext_popup.c
@@ -344,7 +344,7 @@ NXWINDOW nxpu_open(void)
   printf("nxpu_open: Create pop-up\n");
   nxpu_initstate();
 
-  hwnd = nx_openwindow(g_hnx, &g_pucb, (FAR void *)&g_pustate);
+  hwnd = nx_openwindow(g_hnx, 0, &g_pucb, (FAR void *)&g_pustate);
   ginfo("hwnd=%p\n", hwnd);
 
   if (!hwnd)
diff --git a/graphics/NxWidgets/nxwidgets/src/cnxtkwindow.cxx b/graphics/NxWidgets/nxwidgets/src/cnxtkwindow.cxx
index 0b7626c01..c7a4b05b0 100644
--- a/graphics/NxWidgets/nxwidgets/src/cnxtkwindow.cxx
+++ b/graphics/NxWidgets/nxwidgets/src/cnxtkwindow.cxx
@@ -120,7 +120,7 @@ bool CNxTkWindow::open(void)
 
   // Create the window
 
-  m_hNxTkWindow = nxtk_openwindow(m_hNxServer, vtable,
+  m_hNxTkWindow = nxtk_openwindow(m_hNxServer, 0, vtable,
                                  (FAR void *)static_cast<CCallback*>(this));
   return m_hNxTkWindow != NULL;
 }
diff --git a/graphics/NxWidgets/nxwidgets/src/cnxwindow.cxx b/graphics/NxWidgets/nxwidgets/src/cnxwindow.cxx
index 1d5fe6695..7385dfd60 100644
--- a/graphics/NxWidgets/nxwidgets/src/cnxwindow.cxx
+++ b/graphics/NxWidgets/nxwidgets/src/cnxwindow.cxx
@@ -105,7 +105,7 @@ bool CNxWindow::open(void)
 
   // Create the window
 
-  m_hNxWindow = nx_openwindow(m_hNxServer, vtable,
+  m_hNxWindow = nx_openwindow(m_hNxServer, 0, vtable,
                              (FAR void *)static_cast<CCallback*>(this));
   return m_hNxWindow != NULL;
 }
diff --git a/graphics/screenshot/screenshot_main.c b/graphics/screenshot/screenshot_main.c
index 9460b555e..93dd02cb2 100644
--- a/graphics/screenshot/screenshot_main.c
+++ b/graphics/screenshot/screenshot_main.c
@@ -168,7 +168,7 @@ int save_screenshot(FAR const char *filename)
 
   /* Open invisible dummy window for communication */
 
-  window = nx_openwindow(server, &cb, NULL);
+  window = nx_openwindow(server, 0, &cb, NULL);
   if (!window)
   {
     perror("nx_openwindow");