diff --git a/epab/utils/_console.py b/epab/utils/_console.py
index <HASH>..<HASH> 100644
--- a/epab/utils/_console.py
+++ b/epab/utils/_console.py
@@ -8,6 +8,7 @@ import io
 
 
 def _sanitize(input_: str):
+    input_ = f'EPAB: {input_}'
     return input_.encode('ascii', 'ignore').decode()
chg: add "EPAB:" in front of all output