diff --git a/tests/suites/test_suite_ecp.data b/tests/suites/test_suite_ecp.data
index f66522a..21a7192 100644
--- a/tests/suites/test_suite_ecp.data
+++ b/tests/suites/test_suite_ecp.data
@@ -289,10 +289,8 @@
 ECP generate Montgomery key: Curve25519, clear low bits
 genkey_mx_known_answer:254:"4f0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1eff":"4f0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1ef8"
 
-# ECP generate Montgomery key: Curve25519, random = all-bits-zero
-## Currently explicitly rejected in the library, but the specification
-## says it shouldn't be.
-# genkey_mx_known_answer:254:"0000000000000000000000000000000000000000000000000000000000000000":"4000000000000000000000000000000000000000000000000000000000000000"
+ECP generate Montgomery key: Curve25519, random = all-bits-zero
+genkey_mx_known_answer:254:"0000000000000000000000000000000000000000000000000000000000000000":"4000000000000000000000000000000000000000000000000000000000000000"
 
 ECP generate Montgomery key: Curve25519, random = all-bits-one
 genkey_mx_known_answer:254:"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff":"7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8"
@@ -309,8 +307,8 @@
 ECP generate Montgomery key: Curve448, clear low bits
 genkey_mx_known_answer:447:"cf0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f30313233343536ff":"cf0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f30313233343536fc"
 
-# ECP generate Montgomery key: Curve448, random = all-bits-zero
-# genkey_mx_known_answer:447:"0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":"8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+ECP generate Montgomery key: Curve448, random = all-bits-zero
+genkey_mx_known_answer:447:"0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":"8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
 
 ECP generate Montgomery key: Curve448, random = all-bits-one
 genkey_mx_known_answer:447:"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff":"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc"