diff --git a/include/mbedtls/pk_internal.h b/include/mbedtls/pk_internal.h
index 48b7a5f..9ec2476 100644
--- a/include/mbedtls/pk_internal.h
+++ b/include/mbedtls/pk_internal.h
@@ -131,6 +131,10 @@
 extern const mbedtls_pk_info_t mbedtls_ecdsa_info;
 #endif
 
+#if defined(MBEDTLS_USE_TINYCRYPT)
+extern const mbedtls_pk_info_t mbedtls_uecc_ecdsa_info;
+#endif
+
 #if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
 extern const mbedtls_pk_info_t mbedtls_rsa_alt_info;
 #endif