ajmirsky
diff --git a/‎ocpp/messages.py
+1-1 b/‎ocpp/messages.py
+1-1
@@ -81,7 +81,7 @@ def unpack(msg):
     """
     try:
         msg = json.loads(msg)
-    except json.JSONDecodeError:
+    except (json.JSONDecodeError, UnicodeDecodeError):
         raise FormatViolationError(
             details={"cause": "Message is not valid JSON", "ocpp_message": msg}
         )
Original file line number	Diff line number	Diff line change
`@@ -81,7 +81,7 @@ def unpack(msg):`
`81`	`81`	`"""`
`82`	`82`	`try:`
`83`	`83`	`msg = json.loads(msg)`
`84`		`- except json.JSONDecodeError:`
	`84`	`+ except (json.JSONDecodeError, UnicodeDecodeError):`
`85`	`85`	`raise FormatViolationError(`
`86`	`86`	`details={"cause": "Message is not valid JSON", "ocpp_message": msg}`
`87`	`87`	`)`