diff --git a/mmgen_node_tools/data/version b/mmgen_node_tools/data/version
index 88a447a..544b443 100644
--- a/mmgen_node_tools/data/version
+++ b/mmgen_node_tools/data/version
@@ -1 +1 @@
-3.1.dev1
+3.1.dev2
diff --git a/mmgen_node_tools/main_feeview.py b/mmgen_node_tools/main_feeview.py
index 8979e44..276c870 100755
--- a/mmgen_node_tools/main_feeview.py
+++ b/mmgen_node_tools/main_feeview.py
@@ -117,7 +117,7 @@ def create_data(coin_amt,mempool):
 
 	# populate fee brackets:
 	for tx in mempool.values():
-		fee = coin_amt(tx['fee']).to_unit('satoshi')
+		fee = coin_amt(tx['fees']['base']).to_unit('satoshi')
 		vsize = tx['vsize']
 		for bracket in out:
 			if fee / vsize < bracket.top: