diff --git a/Splittermond/Sheet.html b/Splittermond/Sheet.html
index 2d7ed83d2f..eb476a19b6 100644
--- a/Splittermond/Sheet.html
+++ b/Splittermond/Sheet.html
@@ -5385,6 +5385,8 @@ function writeToSheet (characterData) {
             if (characterData["skills"][i]["masterships"].length > 0) {
                 for (var j = 0; j < characterData["skills"][i]["masterships"].length; j++) {
                     newrowid = generateRowID();
+                    masteryshortdescription = "";
+                    masterylongdescription = "";
                     masteryname = characterData["skills"][i]["masterships"][j]["name"];
                     level = characterData["skills"][i]["masterships"][j]["level"];
                     if (characterData["skills"][i]["masterships"][j]["shortDescription"] != null) {