diff --git a/fuzzers/074-dump_all/reduce_site_types.py b/fuzzers/074-dump_all/reduce_site_types.py
index 517a8335..dbd0eba2 100644
--- a/fuzzers/074-dump_all/reduce_site_types.py
+++ b/fuzzers/074-dump_all/reduce_site_types.py
@@ -11,6 +11,7 @@ import prjxray.lib
 import os
 import os.path
 import re
+import json
 
 from utils import xjson