diff --git a/lib/private/diagnostics/event.php b/lib/private/Diagnostics/Event.php
similarity index 100%
rename from lib/private/diagnostics/event.php
rename to lib/private/Diagnostics/Event.php
diff --git a/lib/private/diagnostics/eventlogger.php b/lib/private/Diagnostics/EventLogger.php
similarity index 100%
rename from lib/private/diagnostics/eventlogger.php
rename to lib/private/Diagnostics/EventLogger.php
diff --git a/lib/private/diagnostics/nulleventlogger.php b/lib/private/Diagnostics/NullEventLogger.php
similarity index 100%
rename from lib/private/diagnostics/nulleventlogger.php
rename to lib/private/Diagnostics/NullEventLogger.php
diff --git a/lib/private/diagnostics/nullquerylogger.php b/lib/private/Diagnostics/NullQueryLogger.php
similarity index 100%
rename from lib/private/diagnostics/nullquerylogger.php
rename to lib/private/Diagnostics/NullQueryLogger.php
diff --git a/lib/private/diagnostics/query.php b/lib/private/Diagnostics/Query.php
similarity index 100%
rename from lib/private/diagnostics/query.php
rename to lib/private/Diagnostics/Query.php
diff --git a/lib/private/diagnostics/querylogger.php b/lib/private/Diagnostics/QueryLogger.php
similarity index 100%
rename from lib/private/diagnostics/querylogger.php
rename to lib/private/Diagnostics/QueryLogger.php