diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 1e8f1f6..f02aca5 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -1463,7 +1463,7 @@
                    &m, N, limbs,
                    MBEDTLS_MPI_MOD_REP_MONTGOMERY), 0);
 
-    TEST_EQUAL(ecp_mod_p256k1(&X), 0);
+    TEST_EQUAL(mbedtls_ecp_mod_p256k1(&X), 0);
     TEST_LE_U(mbedtls_mpi_core_bitlen(X.p, X.n), 256);
     mbedtls_mpi_mod_raw_fix_quasi_reduction(X.p, &m);
     ASSERT_COMPARE(X.p, bytes, res, bytes);