diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index e855377..a899aff 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -241,23 +241,23 @@
 
 #if defined(POLARSSL_ECP_DP_SECP521R1_ENABLED)
     elliptic_curve_list[elliptic_curve_len++] = 0x00;
-    elliptic_curve_list[elliptic_curve_len++] = POLARSSL_ECP_DP_SECP521R1;
+    elliptic_curve_list[elliptic_curve_len++] = ecp_named_curve_from_grp_id( POLARSSL_ECP_DP_SECP521R1 );
 #endif
 #if defined(POLARSSL_ECP_DP_SECP384R1_ENABLED)
     elliptic_curve_list[elliptic_curve_len++] = 0x00;
-    elliptic_curve_list[elliptic_curve_len++] = POLARSSL_ECP_DP_SECP384R1;
+    elliptic_curve_list[elliptic_curve_len++] = ecp_named_curve_from_grp_id( POLARSSL_ECP_DP_SECP384R1 );
 #endif
 #if defined(POLARSSL_ECP_DP_SECP256R1_ENABLED)
     elliptic_curve_list[elliptic_curve_len++] = 0x00;
-    elliptic_curve_list[elliptic_curve_len++] = POLARSSL_ECP_DP_SECP256R1;
+    elliptic_curve_list[elliptic_curve_len++] = ecp_named_curve_from_grp_id( POLARSSL_ECP_DP_SECP256R1 );
 #endif
 #if defined(POLARSSL_ECP_DP_SECP224R1_ENABLED)
     elliptic_curve_list[elliptic_curve_len++] = 0x00;
-    elliptic_curve_list[elliptic_curve_len++] = POLARSSL_ECP_DP_SECP224R1;
+    elliptic_curve_list[elliptic_curve_len++] = ecp_named_curve_from_grp_id( POLARSSL_ECP_DP_SECP224R1 );
 #endif
 #if defined(POLARSSL_ECP_DP_SECP192R1_ENABLED)
     elliptic_curve_list[elliptic_curve_len++] = 0x00;
-    elliptic_curve_list[elliptic_curve_len++] = POLARSSL_ECP_DP_SECP192R1;
+    elliptic_curve_list[elliptic_curve_len++] = ecp_named_curve_from_grp_id( POLARSSL_ECP_DP_SECP192R1 );
 #endif
 
     if( elliptic_curve_len == 0 )