diff --git a/radicale/sharing/csv.py b/radicale/sharing/csv.py
index e1c97ed1..03d59ce1 100644
--- a/radicale/sharing/csv.py
+++ b/radicale/sharing/csv.py
@@ -444,6 +444,7 @@ class Sharing(sharing.BaseSharing):
                                     field = field.replace("': {", '": {')  # replace for JSON entry/value ': { -> ": {
                                     field = field.replace("': ", '": ')  # replace for JSON entry/value ':  -> ":(whitespace)
                                     field = field.replace("', '", '", "')  # replace for JSON delimiter ', ' -> ", "
+                                    field = field.replace(", '", ', "')  # replace for JSON delimiter , ' -> , "
                                     logger.trace("json prep quote replacer match (after) : %s", field)
                                     try:
                                         row[fieldname] = json.loads(field)