diff --git a/util/test/demos/gl/gl_test_linux.cpp b/util/test/demos/gl/gl_test_linux.cpp
index d2d0a8227..ba8b5fc91 100644
--- a/util/test/demos/gl/gl_test_linux.cpp
+++ b/util/test/demos/gl/gl_test_linux.cpp
@@ -148,7 +148,10 @@ bool OpenGLGraphicsTest::Init()
   }
 
   if(GLX_EXT_swap_control)
-    glXSwapIntervalEXT(vsync ? 1 : 0);
+  {
+    X11Window *x11win = (X11Window *)mainWindow;
+    glXSwapIntervalEXT(x11win->xlib.display, x11win->xlib.window, vsync ? 1 : 0);
+  }
 
   PostInit();
 
diff --git a/util/test/demos/linux/linux_platform.cpp b/util/test/demos/linux/linux_platform.cpp
index f5afa5c70..76a21822b 100644
--- a/util/test/demos/linux/linux_platform.cpp
+++ b/util/test/demos/linux/linux_platform.cpp
@@ -32,7 +32,7 @@ uint64_t GetMemoryUsage()
 
   if(f == NULL)
   {
-    RDCWARN("Couldn't open /proc/self/statm");
+    TEST_WARN("Couldn't open /proc/self/statm");
     return 0;
   }