diff --git a/panda/src/glxdisplay/glxGraphicsWindow.cxx b/panda/src/glxdisplay/glxGraphicsWindow.cxx
index 9916628f6a..8928b5b006 100644
--- a/panda/src/glxdisplay/glxGraphicsWindow.cxx
+++ b/panda/src/glxdisplay/glxGraphicsWindow.cxx
@@ -200,7 +200,7 @@ open_window() {
   if (!_properties.has_parent_window()) {
     root_window = glx_pipe->get_root();
   } else {
-    root_window = (Window) (int) _properties.get_parent_window();
+    root_window = (Window)_properties.get_parent_window();
   }
   
 #ifdef HAVE_GLXFBCONFIG
diff --git a/panda/src/tinydisplay/tinyXGraphicsWindow.cxx b/panda/src/tinydisplay/tinyXGraphicsWindow.cxx
index 8749f71cf7..de69c651aa 100644
--- a/panda/src/tinydisplay/tinyXGraphicsWindow.cxx
+++ b/panda/src/tinydisplay/tinyXGraphicsWindow.cxx
@@ -515,7 +515,7 @@ open_window() {
   if (!_properties.has_parent_window()) {
     root_window = tinyx_pipe->get_root();
   } else {
-    root_window = (Window) (int) _properties.get_parent_window();
+    root_window = (Window)_properties.get_parent_window();
   }
   setup_colormap(visual_info);