diff --git a/litex/soc/integration/builder.py b/litex/soc/integration/builder.py
index 49951d986..06678bcb8 100644
--- a/litex/soc/integration/builder.py
+++ b/litex/soc/integration/builder.py
@@ -211,5 +211,6 @@ def builder_argdict(args):
         "compile_software": not args.no_compile_software,
         "compile_gateware": not args.no_compile_gateware,
         "gateware_toolchain_path": args.gateware_toolchain_path,
-        "csr_csv": args.csr_csv
+        "csr_csv": args.csr_csv,
+        "csr_json": args.csr_json,
     }