diff --git a/lib/private/datetimeformatter.php b/lib/private/DateTimeFormatter.php
similarity index 100%
rename from lib/private/datetimeformatter.php
rename to lib/private/DateTimeFormatter.php
diff --git a/lib/private/datetimezone.php b/lib/private/DateTimeZone.php
similarity index 100%
rename from lib/private/datetimezone.php
rename to lib/private/DateTimeZone.php
diff --git a/lib/private/forbiddenexception.php b/lib/private/ForbiddenException.php
similarity index 100%
rename from lib/private/forbiddenexception.php
rename to lib/private/ForbiddenException.php
diff --git a/lib/private/httphelper.php b/lib/private/HTTPHelper.php
similarity index 100%
rename from lib/private/httphelper.php
rename to lib/private/HTTPHelper.php
diff --git a/lib/private/hintexception.php b/lib/private/HintException.php
similarity index 100%
rename from lib/private/hintexception.php
rename to lib/private/HintException.php
diff --git a/lib/private/largefilehelper.php b/lib/private/LargeFileHelper.php
similarity index 100%
rename from lib/private/largefilehelper.php
rename to lib/private/LargeFileHelper.php
diff --git a/lib/private/log.php b/lib/private/Log.php
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rename from lib/private/log.php
rename to lib/private/Log.php
diff --git a/lib/private/naturalsort.php b/lib/private/NaturalSort.php
similarity index 100%
rename from lib/private/naturalsort.php
rename to lib/private/NaturalSort.php
diff --git a/lib/private/navigationmanager.php b/lib/private/NavigationManager.php
similarity index 100%
rename from lib/private/navigationmanager.php
rename to lib/private/NavigationManager.php
diff --git a/lib/private/needsupdateexception.php b/lib/private/NeedsUpdateException.php
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rename from lib/private/needsupdateexception.php
rename to lib/private/NeedsUpdateException.php
diff --git a/lib/private/notsquareexception.php b/lib/private/NotSquareException.php
similarity index 100%
rename from lib/private/notsquareexception.php
rename to lib/private/NotSquareException.php