diff --git a/src/glx/glx_pbuffer.c b/src/glx/glx_pbuffer.c
index 6bdb6354f45..515099aa0d8 100644
--- a/src/glx/glx_pbuffer.c
+++ b/src/glx/glx_pbuffer.c
@@ -414,7 +414,7 @@ __glXGetDrawableAttribute(Display * dpy, GLXDrawable drawable,
    UnlockDisplay(dpy);
    SyncHandle();
 
-   return 0;
+   return 1;
 }
 
 static void