diff --git a/examples/gl_interop_demo.py b/examples/gl_interop_demo.py
index 468564cd0efb578ad450e587642d14f7fa3f6d23..02469762c5cae702b0367212732acf40fbbb0573 100644
--- a/examples/gl_interop_demo.py
+++ b/examples/gl_interop_demo.py
@@ -33,7 +33,7 @@ def initialize():
         props.append(
                 (ctx_props.GLX_DISPLAY_KHR, 
                     GLX.glXGetCurrentDisplay()))
-    elif sys.platform == "nt":
+    elif sys.platform == "win32":
         props.append(
                 (ctx_props.WGL_HDC_KHR, 
                     WGL.wglGetCurrentDC()))