--- b/module/rdp.h
+++ a/module/rdp.h
@@ -270,7 +270,6 @@
     RROutputGetPropertyProcPtr rrOutputGetProperty;
     RRGetPanningProcPtr rrGetPanning;
     RRSetPanningProcPtr rrSetPanning;
-    int allow_screen_resize;
 
     int listen_sck;
     char uds_data[256];
--- b/module/rdpClientCon.c
+++ a/module/rdpClientCon.c
@@ -746,9 +746,7 @@
 
     if ((dev->width != width) || (dev->height != height))
     {
-        dev->allow_screen_resize = 1;
         ok = RRScreenSizeSet(dev->pScreen, width, height, mmwidth, mmheight);
-        dev->allow_screen_resize = 0;
         LLOGLN(0, ("rdpClientConProcessScreenSizeMsg: RRScreenSizeSet ok=[%d]", ok));
         RRTellChanged(dev->pScreen);
     }
--- b/module/rdpRandR.c
+++ a/module/rdpRandR.c
@@ -127,11 +127,6 @@
     LLOGLN(0, ("rdpRRScreenSetSize: width %d height %d mmWidth %d mmHeight %d",
            width, height, (int)mmWidth, (int)mmHeight));
     dev = rdpGetDevFromScreen(pScreen);
-    if (dev->allow_screen_resize == 0)
-    {
-        LLOGLN(0, ("rdpRRScreenSetSize: not allowing resize"));
-        return FALSE;
-    }
     root = rdpGetRootWindowPtr(pScreen);
     if ((width < 1) || (height < 1))
     {
--- b/xrdpdev/xrdpdev.c
+++ a/xrdpdev/xrdpdev.c
@@ -359,9 +359,7 @@
     if ((dev->width != width) || (dev->height != height))
     {
         LLOGLN(0, ("  calling RRScreenSizeSet"));
-        dev->allow_screen_resize = 1;
         ok = RRScreenSizeSet(dev->pScreen, width, height, mmwidth, mmheight);
-        dev->allow_screen_resize = 0;
         LLOGLN(0, ("  RRScreenSizeSet ok %d", ok));
     }
     return ok;