diff --git a/work_helpers/excel2changelog.py b/work_helpers/excel2changelog.py
index e52bebf..cb66526 100644
--- a/work_helpers/excel2changelog.py
+++ b/work_helpers/excel2changelog.py
@@ -61,8 +61,8 @@ def clipboard_to_changelog(sheet, start_column, start_row):
 
 
 @click.command()
-@click.option("-s", "--sheet", prompt=True, required=True)
-@click.option("-w", "--well", prompt=True, required=True)
+@click.option("-s", "--sheet", prompt=True, required=True, default="Input_Data_*")
+@click.option("-w", "--well", prompt=True, required=True, default="A1")
 def cli(sheet, well):
     regex_well = r"(?P<column>[A-Z]{1,2})(?P<row>\d+)"
     match = re.match(regex_well, well.upper())