diff --git a/imxml2epub.py b/imxml2epub.py
index da6b902..ba3fa58 100755
--- a/imxml2epub.py
+++ b/imxml2epub.py
@@ -1156,7 +1156,8 @@ class FootnoteError(Exception):
             if xmlChild.tag == "item":
                 xmlChild.tag = "dd"
                 del xmlChild.attrib["id"]
-                del xmlChild.attrib["id-text"]
+                if xmlChild.get("id-text"):
+                    del xmlChild.attrib["id-text"]
 
 logging.info(f"{logseparator}Preparing Blockquotes")
 xmlParagraphs = xmlEbookTree.findall(".//p")