diff --git a/markup/spreadsheet.py b/markup/spreadsheet.py
index aa56e7c..cf89848 100644
--- a/markup/spreadsheet.py
+++ b/markup/spreadsheet.py
@@ -26,7 +26,9 @@ def write_spreadsheet(matches, workdir, file_base):
     # header row
     ws.append(['Season', 'Gender', 'Name', 'Style Number', 'Color'])
 
-    # TODO: uniquify and sort matches
+    # TODO: sort matches
+
+    seen = {}
 
     for m in matches:
         # in the case of kids,
@@ -38,7 +40,9 @@ def write_spreadsheet(matches, workdir, file_base):
         colors    = m['color'].split('\n')
 
         for s, g, n, m, c in zip_longest(seasons, genders, names, materials, colors, fillvalue=''):
-            ws.append([format_season(s), g, n, m, c])
+            if not m in seen:
+                ws.append([format_season(s), g, n, m, c])
+                seen[m] = True
 
     # save
     ensure_dir(workdir)