diff --git a/tools/csv-to-json.py b/tools/csv-to-json.py
index a0fd1fe..a9a3209 100755
--- a/tools/csv-to-json.py
+++ b/tools/csv-to-json.py
@@ -110,5 +110,5 @@ if __name__ == '__main__':
             with closing(open(filename, 'r')) as infile:
                 readcsv(filename, infile, blocks)
 
-    writedb(blocks, sys.argv[-1], 1000, False)
+    writedb(blocks, sys.argv[-1], 2500, False)
     sys.exit(0)