diff --git a/litex/tools/litex_json2renode.py b/litex/tools/litex_json2renode.py
index 6259b6d40..61bd82f04 100755
--- a/litex/tools/litex_json2renode.py
+++ b/litex/tools/litex_json2renode.py
@@ -889,8 +889,9 @@ showAnalyzer sysbus.uart Antmicro.Renode.Analyzers.LoggingUartAnalyzer
 sysbus LoadBinary @{} {}
 """.format(args.bios_binary, hex(opensbi_base))
 
-    for cpu_id in range(0, number_of_cores):
-        result += f"cpu{cpu_id} PC {hex(opensbi_base)}\n"
+    if opensbi_base:
+        for cpu_id in range(0, number_of_cores):
+            result += f"cpu{cpu_id} PC {hex(opensbi_base)}\n"
 
     if args.tftp_ip:
         result += """