diff --git a/tools/genesis/Makefile b/tools/genesis/Makefile
index 61a5af7f8..8dd398b26 100644
--- a/tools/genesis/Makefile
+++ b/tools/genesis/Makefile
@@ -19,7 +19,7 @@ YEARS = 7
 endif
 
 ifndef CHAIN
-CHAIN = testing
+CHAIN = testnet
 endif
 
 ifndef GIT_ORG