diff --git a/contrib/linearize/example-linearize-testnet.cfg b/contrib/linearize/example-linearize-testnet.cfg
index 5ed0c2501..cbfedd7fd 100644
--- a/contrib/linearize/example-linearize-testnet.cfg
+++ b/contrib/linearize/example-linearize-testnet.cfg
@@ -9,7 +9,7 @@ port=12426
 max_height=3130000
 
 # bootstrap.dat input/output settings (linearize-data)
-netmagic=4c756e61
+netmagic=536e6f77
 input=/home/example/.neobytescore/testnet3/blocks
 output_file=/home/example/Downloads/bootstrap.dat
 hashlist=hashlist.txt