diff --git a/template/src/ontology/Makefile.jinja2 b/template/src/ontology/Makefile.jinja2
index 86f691ea..6fce84ca 100644
--- a/template/src/ontology/Makefile.jinja2
+++ b/template/src/ontology/Makefile.jinja2
@@ -1086,7 +1086,7 @@ merge $(patsubst %, -i %, $(OTHER_SRC)) {% endif %}
 # base: A version of the ontology that does not include any externally imported axioms.
 $(ONT)-base.owl: $(EDIT_PREPROCESSED) $(OTHER_SRC) $(IMPORT_FILES)
 	$(ROBOT_RELEASE_IMPORT_MODE) \{% if project.release_use_reasoner %}
-	reason --reasoner {{ project.reasoner }} --equivalent-classes-allowed {{ project.allow_equivalents }} --exclude-tautologies {{ project.exclude_tautologies }} --annotate-inferred-axioms {{ project.release_annotate_inferred_axioms }} \{% if project.release_materialize_object_properties is defined and project.release_materialize_object_properties %}
+	reason --reasoner {{ project.reasoner }} --equivalent-classes-allowed {{ project.allow_equivalents }} --exclude-tautologies {{ project.exclude_tautologies }} --annotate-inferred-axioms {{ project.release_annotate_inferred_axioms|default('false')|lower }} \{% if project.release_materialize_object_properties is defined and project.release_materialize_object_properties %}
 	materialize {% for iri in project.release_materialize_object_properties %}--term {{iri}} {% endfor %} \{% endif %}{% endif %}
 	relax \{% if project.release_use_reasoner %}
 	reduce -r {{ project.reasoner }} \{% endif %}
@@ -1129,7 +1129,7 @@ $(ONT)-non-classified.owl: $(EDIT_PREPROCESSED) $(OTHER_SRC) $(IMPORT_FILES)
 #	remove --select imports --trim false
 $(ONT)-simple.owl: $(EDIT_PREPROCESSED) $(OTHER_SRC) $(SIMPLESEED) $(IMPORT_FILES)
 	$(ROBOT_RELEASE_IMPORT_MODE) \{% if project.release_use_reasoner %}
-		reason --reasoner {{ project.reasoner }} --equivalent-classes-allowed {{ project.allow_equivalents }} --exclude-tautologies {{ project.exclude_tautologies }} --annotate-inferred-axioms {{ project.release_annotate_inferred_axioms }} \{% endif %}
+		reason --reasoner {{ project.reasoner }} --equivalent-classes-allowed {{ project.allow_equivalents }} --exclude-tautologies {{ project.exclude_tautologies }} --annotate-inferred-axioms {{ project.release_annotate_inferred_axioms|default('false')|lower }} \{% endif %}
 		relax \
 		remove --axioms equivalent \
 		relax \
@@ -1165,7 +1165,7 @@ $(ONT)-international.owl: $(ONT).owl $(TRANSLATIONS_OWL)
 # removes any axioms that contains one of the ops that not in the whitelist file
 $(ONT)-basic.owl: $(EDIT_PREPROCESSED) $(OTHER_SRC) $(SIMPLESEED) $(KEEPRELATIONS) $(IMPORT_FILES)
 	$(ROBOT_RELEASE_IMPORT_MODE) \{% if project.release_use_reasoner %}
-		reason --reasoner {{ project.reasoner }} --equivalent-classes-allowed {{ project.allow_equivalents }} --exclude-tautologies {{ project.exclude_tautologies }} --annotate-inferred-axioms {{ project.release_annotate_inferred_axioms }} \{% endif %}
+		reason --reasoner {{ project.reasoner }} --equivalent-classes-allowed {{ project.allow_equivalents }} --exclude-tautologies {{ project.exclude_tautologies }} --annotate-inferred-axioms {{ project.release_annotate_inferred_axioms|default('false')|lower }} \{% endif %}
 		relax \
 		remove --axioms equivalent \
 		remove --axioms disjoint \