diff --git a/tests/suites/test_suite_error.function b/tests/suites/test_suite_error.function
index a514cee77..4532530e2 100644
--- a/tests/suites/test_suite_error.function
+++ b/tests/suites/test_suite_error.function
@@ -12,8 +12,18 @@ void error_strerror( int code, char *result_str )
 {
     char buf[500];
 
+    memset( buf, 0, sizeof( buf ) );
+
     polarssl_strerror( code, buf, 500 );
 
     TEST_ASSERT( strcmp( buf, result_str ) == 0 );
+
+#if defined(POLARSSL_ERROR_STRERROR_BC)
+    memset( buf, 0, sizeof( buf ) );
+
+    error_strerror( code, buf, 500 );
+
+    TEST_ASSERT( strcmp( buf, result_str ) == 0 );
+#endif
 }
 /* END_CASE */