Fix a few selftest typos
diff --git a/tests/suites/test_suite_base64.function b/tests/suites/test_suite_base64.function
index 6ac2f31..27b6c13 100644
--- a/tests/suites/test_suite_base64.function
+++ b/tests/suites/test_suite_base64.function
@@ -47,7 +47,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:POLARSSL_SELFTEST_C */
+/* BEGIN_CASE depends_on:POLARSSL_SELF_TEST */
 void base64_selftest()
 {
     TEST_ASSERT( base64_self_test( 0 ) == 0 );