diff --git a/tests/suites/test_suite_pkwrite.function b/tests/suites/test_suite_pkwrite.function
index 2ea9409..e172315 100644
--- a/tests/suites/test_suite_pkwrite.function
+++ b/tests/suites/test_suite_pkwrite.function
@@ -9,7 +9,7 @@
  * END_DEPENDENCIES
  */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:POLARSSL_PEM_WRITE_C */
 void pk_write_pubkey_check( char *key_file )
 {
     pk_context key;
@@ -40,7 +40,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:POLARSSL_PEM_WRITE_C */
 void pk_write_key_check( char *key_file )
 {
     pk_context key;