diff --git a/erpnext/stock/utils.py b/erpnext/stock/utils.py
index 402f998..0244406 100644
--- a/erpnext/stock/utils.py
+++ b/erpnext/stock/utils.py
@@ -475,7 +475,7 @@
 
 	for row_idx, row in enumerate(result):
 		for convertible_col, data in convertible_column_map.items():
-			conversion_factor = conversion_factors[row.get("item_code")] or 1
+			conversion_factor = conversion_factors.get(row.get("item_code")) or 1.0
 			for_type = data.for_type
 			value_before_conversion = row.get(convertible_col)
 			if for_type == "rate":