diff --git a/diskimageprocessor.py b/diskimageprocessor.py
index 0fbb73f..59546c1 100644
--- a/diskimageprocessor.py
+++ b/diskimageprocessor.py
@@ -282,6 +282,13 @@ def create_aspace_excel_sheet(args, sips, volumes, logger):
     workbook = openpyxl.load_workbook(filename=xlsx_path)
     worksheet = workbook["Data"]
 
+    # TODO: Debug logging
+    if worksheet is None:
+        logger.info("worksheet is none")
+        worksheet = workbook.active
+        if worksheet is None:
+            logger.info("workbook.active is none")
+
     # TODO: Deduplicate with create_speadsheet
     # Maybe create separate method that creates dict with info, and handle
     # opening/writing csv or xlsx separately