diff --git a/src/policy/policy.h b/src/policy/policy.h
index 12c853ef93..baf20b39dc 100644
--- a/src/policy/policy.h
+++ b/src/policy/policy.h
@@ -15,11 +15,11 @@
 class CCoinsViewCache;
 
 /** Default for -blockmaxsize, which controls the maximum size of block the mining code will create **/
-static const unsigned int DEFAULT_BLOCK_MAX_SIZE = 750000;
+static const unsigned int DEFAULT_BLOCK_MAX_SIZE = 1000000;
 /** Default for -blockprioritysize, maximum space for zero/low-fee transactions **/
 static const unsigned int DEFAULT_BLOCK_PRIORITY_SIZE = 0;
 /** Default for -blockmaxweight, which controls the range of block weights the mining code will create **/
-static const unsigned int DEFAULT_BLOCK_MAX_WEIGHT = 3000000;
+static const unsigned int DEFAULT_BLOCK_MAX_WEIGHT = 4000000;
 /** Default for -blockmintxfee, which sets the minimum feerate for a transaction in blocks created by mining code **/
 static const unsigned int DEFAULT_BLOCK_MIN_TX_FEE = 1000;
 /** The maximum weight for transactions we're willing to relay/mine */