diff --git a/src/plugins/import/ImportCsv.py b/src/plugins/import/ImportCsv.py
index c723ed549..b91893a6a 100644
--- a/src/plugins/import/ImportCsv.py
+++ b/src/plugins/import/ImportCsv.py
@@ -330,8 +330,8 @@ class CSVParser(object):
         try:
             data = [[r.strip() for r in row] for row in reader]
         except csv.Error, e:
-            ErrorDialog(_('format error: file %s, line %d: %s') %
-                        (self.filename, reader.line_num, e))
+            ErrorDialog(_('format error: file %(fname)s, line %(line)d: %(zero)s')) % {
+                        'fname' : self.filename, 'line' : reader.line_num, 'zero' : e }
             try:
                 fp.close()
             except: