diff --git a/src/validation.h b/src/validation.h
index 28d386163..cae0b7833 100755
--- a/src/validation.h
+++ b/src/validation.h
@@ -61,11 +61,11 @@ static const CAmount HIGH_MAX_TX_FEE = 100 * HIGH_TX_FEE_PER_KB;
 /** Default for -limitancestorcount, max number of in-mempool ancestors */
 static const unsigned int DEFAULT_ANCESTOR_LIMIT = 1250;
 /** Default for -limitancestorsize, maximum kilobytes of tx + all in-mempool ancestors */
-static const unsigned int DEFAULT_ANCESTOR_SIZE_LIMIT = 5050;
+static const unsigned int DEFAULT_ANCESTOR_SIZE_LIMIT = 1750;
 /** Default for -limitdescendantcount, max number of in-mempool descendants */
 static const unsigned int DEFAULT_DESCENDANT_LIMIT = 1250;
 /** Default for -limitdescendantsize, maximum kilobytes of in-mempool descendants */
-static const unsigned int DEFAULT_DESCENDANT_SIZE_LIMIT = 5050;
+static const unsigned int DEFAULT_DESCENDANT_SIZE_LIMIT = 1750;
 /** Default for -mempoolexpiry, expiration time for mempool transactions in hours */
 static const unsigned int DEFAULT_MEMPOOL_EXPIRY = 336;
 /** Maximum kilobytes for transactions to store for processing during reorg */