diff --git a/tests/suites/test_suite_ecp.data b/tests/suites/test_suite_ecp.data
index 9153dac..f326102 100644
--- a/tests/suites/test_suite_ecp.data
+++ b/tests/suites/test_suite_ecp.data
@@ -334,11 +334,11 @@
 
 Check ECP group metadata #12 curve25519 (RFC 7748)
 depends_on:MBEDTLS_ECP_DP_CURVE25519_ENABLED
-mbedtls_ecp_group_metadata:MBEDTLS_ECP_DP_CURVE25519:256:MBEDTLS_ECP_TYPE_MONTGOMERY:"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffed":"1db42":"":"9":"":"1000000000000000000000000000000014def9dea2f79cd65812631a5cf5d3ed":29
+mbedtls_ecp_group_metadata:MBEDTLS_ECP_DP_CURVE25519:256:MBEDTLS_ECP_TYPE_MONTGOMERY:"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffed":"76d06":"":"9":"":"1000000000000000000000000000000014def9dea2f79cd65812631a5cf5d3ed":29
 
 Check ECP group metadata #13 curve448 (RFC 7748)
 depends_on:MBEDTLS_ECP_DP_CURVE448_ENABLED
-mbedtls_ecp_group_metadata:MBEDTLS_ECP_DP_CURVE448:448:MBEDTLS_ECP_TYPE_MONTGOMERY:"fffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffffffffffffffffffffffffffffffffffffffffffffffffffff":"98aa":"":"5":"":"3fffffffffffffffffffffffffffffffffffffffffffffffffffffff7cca23e9c44edb49aed63690216cc2728dc58f552378c292ab5844f3":30
+mbedtls_ecp_group_metadata:MBEDTLS_ECP_DP_CURVE448:448:MBEDTLS_ECP_TYPE_MONTGOMERY:"fffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffffffffffffffffffffffffffffffffffffffffffffffffffff":"262a6":"":"5":"":"3fffffffffffffffffffffffffffffffffffffffffffffffffffffff7cca23e9c44edb49aed63690216cc2728dc58f552378c292ab5844f3":30
 
 ECP tls read group #1 (record too short)
 mbedtls_ecp_tls_read_group:"0313":MBEDTLS_ERR_ECP_BAD_INPUT_DATA:0:0
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 896f649..0996740 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -1137,6 +1137,13 @@
     TEST_EQUAL( mbedtls_test_read_mpi( &exp_B, B ), 0 );
     TEST_EQUAL( mbedtls_test_read_mpi( &exp_G_y, G_y ), 0 );
 
+    // Convert exp_A to internal representation (A+2)/4
+    if( crv_type == MBEDTLS_ECP_TYPE_MONTGOMERY )
+    {
+        TEST_EQUAL( mbedtls_mpi_add_int( &exp_A, &exp_A, 2 ), 0 );
+        TEST_EQUAL( mbedtls_mpi_div_int( &exp_A, NULL, &exp_A, 4 ), 0 );
+    }
+
     // Load group
     TEST_EQUAL( mbedtls_ecp_group_load( &grp, id ), 0 );