diff --git a/src/rpc/quorums.cpp b/src/rpc/quorums.cpp
index 37059788f1fbf..a631d8c79b41a 100644
--- a/src/rpc/quorums.cpp
+++ b/src/rpc/quorums.cpp
@@ -1004,7 +1004,8 @@ static void submitchainlock_help(const JSONRPCRequest& request)
                        {"signature", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The signature of the ChainLock."},
                        {"blockHeight", RPCArg::Type::NUM, RPCArg::Optional::NO, "The height of the ChainLock."},
                },
-               RPCResults{},
+               RPCResult{
+                       RPCResult::Type::NUM, "", "The height of the current best ChainLock"},
                RPCExamples{""},
     }.Check(request);
 }
@@ -1019,6 +1020,9 @@ static UniValue submitchainlock(const JSONRPCRequest& request)
     if (nBlockHeight <= 0) {
         throw JSONRPCError(RPC_INVALID_PARAMETER, "invalid block height");
     }
+    const LLMQContext& llmq_ctx = EnsureLLMQContext(EnsureAnyNodeContext(request.context));
+    const int32_t bestCLHeight = llmq_ctx.clhandler->GetBestChainLock().getHeight();
+    if (nBlockHeight <= bestCLHeight) return bestCLHeight;
 
     CBLSSignature sig;
     if (!sig.SetHexStr(request.params[1].get_str(), false) && !sig.SetHexStr(request.params[1].get_str(), true)) {
@@ -1026,14 +1030,13 @@ static UniValue submitchainlock(const JSONRPCRequest& request)
     }
 
 
-    const LLMQContext& llmq_ctx = EnsureLLMQContext(EnsureAnyNodeContext(request.context));
     auto clsig = llmq::CChainLockSig(nBlockHeight, nBlockHash, sig);
     if (!llmq_ctx.clhandler->VerifyChainLock(clsig)) {
         throw JSONRPCError(RPC_INVALID_PARAMETER, "invalid signature");
     }
 
     llmq_ctx.clhandler->ProcessNewChainLock(-1, clsig, ::SerializeHash(clsig));
-    return true;
+    return llmq_ctx.clhandler->GetBestChainLock().getHeight();
 }
 
 
diff --git a/test/functional/feature_llmq_chainlocks.py b/test/functional/feature_llmq_chainlocks.py
index af8e67407de42..b65900964f49b 100755
--- a/test/functional/feature_llmq_chainlocks.py
+++ b/test/functional/feature_llmq_chainlocks.py
@@ -119,7 +119,10 @@ def run_test(self):
         assert best_0['height'] != best_1['height']
         assert best_0['signature'] != best_1['signature']
         assert_equal(best_0['known_block'], True)
-        self.nodes[0].submitchainlock(best_1['blockhash'], best_1['signature'], best_1['height'])
+        node_height = self.nodes[1].submitchainlock(best_0['blockhash'], best_0['signature'], best_0['height'])
+        rpc_height = self.nodes[0].submitchainlock(best_1['blockhash'], best_1['signature'], best_1['height'])
+        assert_equal(best_1['height'], node_height)
+        assert_equal(best_1['height'], rpc_height)
         best_0 = self.nodes[0].getbestchainlock()
         assert_equal(best_0['blockhash'], best_1['blockhash'])
         assert_equal(best_0['height'], best_1['height'])