diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index b1a096d..a0042ed 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -1374,7 +1374,7 @@
                    &m, N, limbs,
                    MBEDTLS_MPI_MOD_REP_MONTGOMERY), 0);
 
-    TEST_EQUAL(ecp_mod_p521_raw(X, limbs_X), 0);
+    TEST_EQUAL(mbedtls_ecp_mod_p521_raw(X, limbs_X), 0);
     mbedtls_mpi_mod_raw_fix_quasi_reduction(X, &m);
     ASSERT_COMPARE(X, bytes, res, bytes);