diff --git a/lnbits/extensions/market/templates/market/index.html b/lnbits/extensions/market/templates/market/index.html
index c6227023..77e3acce 100644
--- a/lnbits/extensions/market/templates/market/index.html
+++ b/lnbits/extensions/market/templates/market/index.html
@@ -802,9 +802,11 @@
         var link = _.findWhere(self.products, {id: linkId})
 
         self.productDialog.data = _.clone(link._data)
-        self.productDialog.data.categories = self.productDialog.data.categories.split(
-          ','
-        )
+        if (self.productDialog.data.categories) {
+          self.productDialog.data.categories = self.productDialog.data.categories.split(
+            ','
+          )
+        }
         if (self.productDialog.data.image.startsWith('data:')) {
           self.productDialog.url = false
         }