diff --git a/tests/suites/test_suite_bignum.function b/tests/suites/test_suite_bignum.function
index 47a6c981aa..e4d4af8191 100644
--- a/tests/suites/test_suite_bignum.function
+++ b/tests/suites/test_suite_bignum.function
@@ -975,19 +975,19 @@ void mpi_exp_mod_min_RR(char *input_A, char *input_E,
     mbedtls_mpi_init(&A); mbedtls_mpi_init(&E); mbedtls_mpi_init(&N);
     mbedtls_mpi_init(&RR); mbedtls_mpi_init(&Z); mbedtls_mpi_init(&X);
 
-    TEST_ASSERT(mbedtls_test_read_mpi(&A, input_A) == 0);
-    TEST_ASSERT(mbedtls_test_read_mpi(&E, input_E) == 0);
-    TEST_ASSERT(mbedtls_test_read_mpi(&N, input_N) == 0);
-    TEST_ASSERT(mbedtls_test_read_mpi(&X, input_X) == 0);
+    TEST_EQUAL(mbedtls_test_read_mpi(&A, input_A), 0);
+    TEST_EQUAL(mbedtls_test_read_mpi(&E, input_E), 0);
+    TEST_EQUAL(mbedtls_test_read_mpi(&N, input_N), 0);
+    TEST_EQUAL(mbedtls_test_read_mpi(&X, input_X), 0);
 
-    TEST_ASSERT(mbedtls_mpi_core_get_mont_r2_unsafe(&RR, &N) == 0);
-    TEST_ASSERT(mbedtls_mpi_shrink(&RR, 0) == 0);
+    TEST_EQUAL(mbedtls_mpi_core_get_mont_r2_unsafe(&RR, &N), 0);
+    TEST_EQUAL(mbedtls_mpi_shrink(&RR, 0), 0);
 
     res = mbedtls_mpi_exp_mod(&Z, &A, &E, &N, &RR);
-    TEST_ASSERT(res == exp_result);
+    TEST_EQUAL(res, exp_result);
     if (res == 0) {
-        TEST_ASSERT(sign_is_valid(&Z));
-        TEST_ASSERT(mbedtls_mpi_cmp_mpi(&Z, &X) == 0);
+        TEST_EQUAL(sign_is_valid(&Z), 1);
+        TEST_EQUAL(mbedtls_mpi_cmp_mpi(&Z, &X), 0);
     }
 
 exit: