diff --git a/gen-signet-keys.sh b/gen-signet-keys.sh
index 86cc3e0..cf78c94 100644
--- a/gen-signet-keys.sh
+++ b/gen-signet-keys.sh
@@ -1,4 +1,4 @@
-DATADIR=${DATADIR:-"regtest-temp"}
+ATADIR=${DATADIR:-"regtest-temp"}
 BITCOINCLI=${BITCOINCLI:-"bitcoin-cli -regtest -datadir=$DATADIR "}
 BITCOIND=${BITCOIND:-"bitcoind -datadir=$DATADIR -regtest -daemon "}