diff --git a/programs/pkey/gen_key.c b/programs/pkey/gen_key.c
index 767d621..9a0d079 100644
--- a/programs/pkey/gen_key.c
+++ b/programs/pkey/gen_key.c
@@ -64,11 +64,16 @@
 
 #define DFL_TYPE                POLARSSL_PK_RSA
 #define DFL_RSA_KEYSIZE         4096
-#define DFL_EC_CURVE            ecp_curve_list()->grp_id
 #define DFL_FILENAME            "keyfile.key"
 #define DFL_FORMAT              FORMAT_PEM
 #define DFL_USE_DEV_RANDOM      0
 
+#if defined(POLARSSL_ECP_C)
+#define DFL_EC_CURVE            ecp_curve_list()->grp_id
+#else
+#define DFL_EC_CURVE            0
+#endif
+
 /*
  * global options
  */
@@ -252,12 +257,14 @@
                 opt.rsa_keysize > POLARSSL_MPI_MAX_BITS )
                 goto usage;
         }
+#if defined(POLARSSL_ECP_C)
         else if( strcmp( p, "ec_curve" ) == 0 )
         {
             if( ( curve_info = ecp_curve_info_from_name( q ) ) == NULL )
                 goto usage;
             opt.ec_curve = curve_info->grp_id;
         }
+#endif
         else if( strcmp( p, "filename" ) == 0 )
             opt.filename = q;
         else if( strcmp( p, "use_dev_random" ) == 0 )