diff --git a/litex/tools/litex_json2renode.py b/litex/tools/litex_json2renode.py
index 259eea571..e7dfc8b0c 100755
--- a/litex/tools/litex_json2renode.py
+++ b/litex/tools/litex_json2renode.py
@@ -186,7 +186,7 @@ def generate_silencer(csr, name, **kwargs):
     return """
 sysbus:
     init add:
-        SilenceRange <{} 0x200> # {}
+        SilenceRange <0x{:08x} 0x200> # {}
 """.format(csr['csr_bases'][name], name)