diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index c594daca0..77cd282a3 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -676,8 +676,12 @@ UniValue getblocktemplate(const JSONRPCRequest& request)
         nSigOpLimit /= WITNESS_SCALE_FACTOR;
     }
     result.push_back(Pair("sigoplimit", nSigOpLimit));
-    result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_SERIALIZED_SIZE));
-    result.push_back(Pair("weightlimit", (int64_t)MAX_BLOCK_WEIGHT));
+    if (fPreSegWit) {
+        result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_BASE_SIZE));
+    } else {
+        result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_SERIALIZED_SIZE));
+        result.push_back(Pair("weightlimit", (int64_t)MAX_BLOCK_WEIGHT));
+    }
     result.push_back(Pair("curtime", pblock->GetBlockTime()));
     result.push_back(Pair("bits", strprintf("%08x", pblock->nBits)));
     result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1)));