diff --git a/apps/inm/services_daoru.py b/apps/inm/services_daoru.py
index 6178c576..014c0765 100644
--- a/apps/inm/services_daoru.py
+++ b/apps/inm/services_daoru.py
@@ -138,7 +138,7 @@ def daoru_mioitems(path:str, mio:MIO):
     
     mioitems = []
     ind = 2
-    while sheet[f"b{ind}"].value:
+    while sheet[f"a{ind}"].value:
         batch = sheet[f"b{ind}"].value
         material_number = sheet[f"a{ind}"].value
         try: