diff --git a/scripts/generate_ephemeral_keys.sh b/scripts/generate_ephemeral_keys.sh
index 4b69a7548358aea9d280c12034fbcd146c74f936..ee48695673b756031ae5ec4ad039be968c03b620 100755
--- a/scripts/generate_ephemeral_keys.sh
+++ b/scripts/generate_ephemeral_keys.sh
@@ -17,7 +17,7 @@ if [ ! -x "$GENERATE_KEYPAIR" ] ; then
 fi
 
 echo '*** Generating ephemeral keys used for testing ***'
-$GENERATE_KEYPAIR -k 128
+$GENERATE_KEYPAIR -k 128 -a rsa
 mkdir -p $VAR
 mv key.publickey $VAR/root.publickey
 mv key.secretkey $VAR/root.secretkey