diff --git a/calculate/templates/format/openrc_format.py b/calculate/templates/format/openrc_format.py
index b903deb..4a3b899 100644
--- a/calculate/templates/format/openrc_format.py
+++ b/calculate/templates/format/openrc_format.py
@@ -59,14 +59,20 @@ class OpenRCFormat(Format):
         self._join(self._document_dictionary,
                    template._document_dictionary,
                    self._join_before)
-        print('AFTER JOIN')
-        self.print_dictionary()
 
     def _correct_register(self, template: "OpenRCFormat") -> dict:
         '''Метод для корректировки всех регистров.'''
         corrected_dict = OrderedDict()
+        template_keys = {key[1].lower(): key[1] for key
+                         in template._document_dictionary.keys()}
 
-        return self._document_dictionary
+        for key, value in self._document_dictionary.items():
+            if key[1].lower() in template_keys:
+                corrected_dict[('', template_keys[key[1].lower()])] = value
+            else:
+                corrected_dict[key] = value
+
+        return corrected_dict
 
     @classmethod
     def _initialize_parser(cls):
diff --git a/tests/templates/format/test_openrc.py b/tests/templates/format/test_openrc.py
index c620882..a45a5e4 100644
--- a/tests/templates/format/test_openrc.py
+++ b/tests/templates/format/test_openrc.py
@@ -307,3 +307,33 @@ INSTANCE="openldap${SVCNAME#slapd}"
         template_object = OpenRCFormat(template_text, '/path/to/template')
         original_object.join_template(template_object)
         assert original_object.document_text == join_result
+
+    def test_register_changing(self):
+        original = '''PARAM=1
+param2=2
+BIG_PARAM=1
+low_param=2'''
+
+        template = '''big_param=3
+LOW_PARAM=4
+new_param=5
+NEW_PARAM2=6'''
+
+        result = '''PARAM=1
+
+param2=2
+
+big_param=3
+
+LOW_PARAM=4
+
+new_param=5
+
+NEW_PARAM2=6
+
+'''
+
+        original_object = OpenRCFormat(original, '/path/to/template')
+        template_object = OpenRCFormat(template, '/path/to/template')
+        original_object.join_template(template_object)
+        assert original_object.document_text == result
diff --git a/tests/templates/format/testfiles/openrc/result b/tests/templates/format/testfiles/openrc/result
index 4540280..3e140a6 100644
--- a/tests/templates/format/testfiles/openrc/result
+++ b/tests/templates/format/testfiles/openrc/result
@@ -5,7 +5,7 @@ rc_tty_number=12
 # The following setting turns on the memory.use_hierarchy setting in the
 # root memory cgroup for cgroups v1.
 # It must be set to yes in this file if you want this functionality.
-rc_cgroup_memory_use_hierarchy="YES"
+RC_CGROUP_MEMORY_USE_HIERARCHY="YES"
 
 # Multiple settings and values can be specified.
 # For example, you would use this to set the maximum memory and maximum
@@ -13,10 +13,10 @@ rc_cgroup_memory_use_hierarchy="YES"
 rc_cgroup_settings="10485760"
 
 # If you have multiple slapd instances per #376699, this will provide a default config
-instance="openldap${SVCNAME#slapd}"
+INSTANCE="openldap${SVCNAME#slapd}"
 
 # If you use the classical configuration file:
-opts_conf="-f /etc/${INSTANCE}/slapd.conf"
+OPTS_CONF="-f /etc/${INSTANCE}/slapd.conf"
 
 # Specify the kerberos keytab file
 #KRB5_KTNAME=/etc/openldap/krb5-ldap.keytab
diff --git a/tests/templates/format/testfiles/openrc/template b/tests/templates/format/testfiles/openrc/template
index 2fb7fd4..264a0b0 100644
--- a/tests/templates/format/testfiles/openrc/template
+++ b/tests/templates/format/testfiles/openrc/template
@@ -1,6 +1,6 @@
 
 # It must be set to yes in this file if you want this functionality.
-rc_cgroup_memory_use_hierarchy="YES"
+RC_CGROUP_MEMORY_USE_HIERARCHY="YES"
 
 clock="Any Clock Type"