diff --git a/ocrmypdf/__main__.py b/ocrmypdf/__main__.py
index fad7498a..566e5acf 100755
--- a/ocrmypdf/__main__.py
+++ b/ocrmypdf/__main__.py
@@ -418,6 +418,7 @@ class WrappedLogger:
             self.logger.critical(*args, **kwargs)
 
 _log = WrappedLogger(_logger, _logger_mutex)
+_log.debug('ocrmypdf ' + VERSION)
 
 
 def re_symlink(input_file, soft_link_name, log=_log):