diff --git a/docs/examples/postprocess/config.json b/docs/examples/postprocess/config.json
index 8b3128c4..7d7f03fd 100644
--- a/docs/examples/postprocess/config.json
+++ b/docs/examples/postprocess/config.json
@@ -3,6 +3,7 @@
      "demo_convert2vti.md",
      "demo_pointextracting.md",
      "demo_pointsextracting_2d_uniform.md",
+     "demo_pointsextracting.md",
      "demo_em_extract_slice.md",
      "demo_lineextracting_mt.md",
      "demo_log.md",