diff --git a/lib/public/diagnostics/ievent.php b/lib/public/Diagnostics/IEvent.php
similarity index 100%
rename from lib/public/diagnostics/ievent.php
rename to lib/public/Diagnostics/IEvent.php
diff --git a/lib/public/diagnostics/ieventlogger.php b/lib/public/Diagnostics/IEventLogger.php
similarity index 100%
rename from lib/public/diagnostics/ieventlogger.php
rename to lib/public/Diagnostics/IEventLogger.php
diff --git a/lib/public/diagnostics/iquery.php b/lib/public/Diagnostics/IQuery.php
similarity index 100%
rename from lib/public/diagnostics/iquery.php
rename to lib/public/Diagnostics/IQuery.php
diff --git a/lib/public/diagnostics/iquerylogger.php b/lib/public/Diagnostics/IQueryLogger.php
similarity index 100%
rename from lib/public/diagnostics/iquerylogger.php
rename to lib/public/Diagnostics/IQueryLogger.php