diff --git a/http2irc.py b/http2irc.py
index 347b6ce..461cd2f 100644
--- a/http2irc.py
+++ b/http2irc.py
@@ -692,7 +692,7 @@ class WebServer:
 			except aiohttp.web.HTTPException as e:
 				raise e
 			except Exception as e:
-				self.logger.error(f'Bad request {id(request)}: exception in module process function: {e!s}')
+				self.logger.error(f'Bad request {id(request)}: exception in module process function: {type(e).__module__}.{type(e).__name__}: {e!s}')
 				raise aiohttp.web.HTTPBadRequest()
 			if '\r' in message or '\n' in message:
 				self.logger.error(f'Bad request {id(request)}: module process function returned message with linebreaks: {message!r}')