diff --git a/src/rpc/server.h b/src/rpc/server.h
--- a/src/rpc/server.h
+++ b/src/rpc/server.h
@@ -234,7 +234,7 @@
     bool removeCommand(const std::string &name, const CRPCCommand *pcmd);
 };
 
-bool IsDeprecatedRPCEnabled(ArgsManager &args, const std::string &method);
+bool IsDeprecatedRPCEnabled(const ArgsManager &args, const std::string &method);
 
 extern CRPCTable tableRPC;
 
diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp
--- a/src/rpc/server.cpp
+++ b/src/rpc/server.cpp
@@ -359,7 +359,8 @@
     return fRPCInWarmup;
 }
 
-bool IsDeprecatedRPCEnabled(ArgsManager &args, const std::string &method) {
+bool IsDeprecatedRPCEnabled(const ArgsManager &args,
+                            const std::string &method) {
     const std::vector<std::string> enabled_methods =
         args.GetArgs("-deprecatedrpc");