diff --git a/nomad/patch.py b/nomad/patch.py
index 4dfb548885cf11216b1b9350268b683d37c4b45d..1ac430e499c59d1a3ebc051ead6d31714dde0a7d 100644
--- a/nomad/patch.py
+++ b/nomad/patch.py
@@ -1,6 +1,9 @@
 import systax.analysis.symmetryanalyzer
 
 
+# A patch for the segfault protection of systax (internally uses protection for spglib calls.)
+# We basically disable the protection. The multiprocessing based original protection.
+# somehow interfers with the celery work infrastructure and leads to a deaklock.
 def segfault_protect_patch(f, *args, **kwargs):
     return f(*args, **kwargs)