diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp
index ccfdfe43403..60a3a0dda93 100644
--- a/src/rpc/misc.cpp
+++ b/src/rpc/misc.cpp
@@ -351,8 +351,9 @@ static UniValue setmocktime(const JSONRPCRequest& request)
                 RPCExamples{""},
             }.Check(request);
 
-    if (!Params().MineBlocksOnDemand())
-        throw std::runtime_error("setmocktime for regression testing (-regtest mode) only");
+    if (!Params().IsMockableChain()) {
+        throw std::runtime_error("setmocktime is for regression testing (-regtest mode) only");
+    }
 
     // For now, don't change mocktime if we're in the middle of validation, as
     // this could have an effect on mempool time-based eviction, as well as