diff --git a/lib/public/systemtag/isystemtag.php b/lib/public/SystemTag/ISystemTag.php
similarity index 100%
rename from lib/public/systemtag/isystemtag.php
rename to lib/public/SystemTag/ISystemTag.php
diff --git a/lib/public/systemtag/isystemtagmanager.php b/lib/public/SystemTag/ISystemTagManager.php
similarity index 100%
rename from lib/public/systemtag/isystemtagmanager.php
rename to lib/public/SystemTag/ISystemTagManager.php
diff --git a/lib/public/systemtag/isystemtagmanagerfactory.php b/lib/public/SystemTag/ISystemTagManagerFactory.php
similarity index 100%
rename from lib/public/systemtag/isystemtagmanagerfactory.php
rename to lib/public/SystemTag/ISystemTagManagerFactory.php
diff --git a/lib/public/systemtag/isystemtagobjectmapper.php b/lib/public/SystemTag/ISystemTagObjectMapper.php
similarity index 100%
rename from lib/public/systemtag/isystemtagobjectmapper.php
rename to lib/public/SystemTag/ISystemTagObjectMapper.php
diff --git a/lib/public/systemtag/managerevent.php b/lib/public/SystemTag/ManagerEvent.php
similarity index 100%
rename from lib/public/systemtag/managerevent.php
rename to lib/public/SystemTag/ManagerEvent.php
diff --git a/lib/public/systemtag/mapperevent.php b/lib/public/SystemTag/MapperEvent.php
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rename from lib/public/systemtag/mapperevent.php
rename to lib/public/SystemTag/MapperEvent.php
diff --git a/lib/public/systemtag/tagalreadyexistsexception.php b/lib/public/SystemTag/TagAlreadyExistsException.php
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rename from lib/public/systemtag/tagalreadyexistsexception.php
rename to lib/public/SystemTag/TagAlreadyExistsException.php
diff --git a/lib/public/systemtag/tagnotfoundexception.php b/lib/public/SystemTag/TagNotFoundException.php
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rename from lib/public/systemtag/tagnotfoundexception.php
rename to lib/public/SystemTag/TagNotFoundException.php