diff --git a/tests/suites/test_suite_ecdsa.function b/tests/suites/test_suite_ecdsa.function
index 5dbbe8c..e6c2f93 100644
--- a/tests/suites/test_suite_ecdsa.function
+++ b/tests/suites/test_suite_ecdsa.function
@@ -186,7 +186,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:POLARSSL_ECDSA_DETERMINISTIC */
 void ecdsa_write_read_det_random( int id, int md_alg )
 {
     ecdsa_context ctx;