diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 10169c49b32d079b60dd509887e88dde818ba62b..bcc864f53669c0c10dd729968c4d5c58b9969005 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -9,6 +9,12 @@ and this project adheres to `Semantic Versioning`_.
 Unreleased
 ----------
 
+Fixed
+~~~~~
+
+* With ignoring of incomplete subsitutions enabled, 
+  substitutions which consisted just of a comment were skipped.
+
 `2.1.2`_ - 2022-02-06
 ---------------------
 
diff --git a/aleksis/apps/untis/util/mysql/importers/substitutions.py b/aleksis/apps/untis/util/mysql/importers/substitutions.py
index a7202efcdc09cc1c9a178cf66c9206a4e83ac798..308ee4868bfe7dde3a6d594ccd6c4a565d014041 100644
--- a/aleksis/apps/untis/util/mysql/importers/substitutions.py
+++ b/aleksis/apps/untis/util/mysql/importers/substitutions.py
@@ -147,6 +147,7 @@ def import_substitutions(
                     and not teachers
                     and not cancelled
                     and not cancelled_for_teachers
+                    and not comment
                 ):
                     continue