diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 988c593..bf24a98 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1973,7 +1973,7 @@
         mbedtls_ssl_suite_get_key_exchange( ciphersuite_info )
         == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
     {
-        const struct uECC_Curve_t * uecc_curve = uECC_secp256r1();
+        uECC_Curve uecc_curve = uECC_secp256r1();
         ((void) ret);
 
         if( !uECC_shared_secret( ssl->handshake->ecdh_peerkey,
@@ -2170,7 +2170,7 @@
         size_t zlen;
 
 #if defined(MBEDTLS_USE_TINYCRYPT)
-        const struct uECC_Curve_t * uecc_curve = uECC_secp256r1();
+        uECC_Curve uecc_curve = uECC_secp256r1();
         ((void) ret);
 
         if( !uECC_shared_secret( ssl->handshake->ecdh_peerkey,