diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index 98ea9efb1c..5a30cf079a 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -1190,7 +1190,7 @@ void mbedtls_rsa_validate_params(char *input_N,
                                             have_D ? &D : NULL,
                                             have_E ? &E : NULL,
                                             prng ? mbedtls_test_rnd_std_rand : NULL,
-                                            prng ? NULL : NULL) == result);
+                                            NULL) == result);
 
 exit:
     mbedtls_mpi_free(&N);