diff --git a/src/pretix/plugins/reports/exporters.py b/src/pretix/plugins/reports/exporters.py
index fd23ad8551..02b7674c08 100644
--- a/src/pretix/plugins/reports/exporters.py
+++ b/src/pretix/plugins/reports/exporters.py
@@ -291,7 +291,7 @@ class OverviewReport(Report):
         for tup in items_by_category:
             if tup[0]:
                 tdata.append([
-                    Paragraph(tup[0].name, tstyle_bold)
+                    Paragraph(str(tup[0].name), tstyle_bold)
                 ])
                 for l, s in states:
                     tdata[-1].append(str(tup[0].num[l][0]))