diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index fb68a0f..56b8f61 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -24,7 +24,7 @@
     TEST_ASSERT( by_id == by_tls  );
     TEST_ASSERT( by_id == by_name );
 
-    TEST_ASSERT( by_id->size == size );
+    TEST_ASSERT( by_id->bit_size == size );
 }
 /* END_CASE */