diff --git a/tests/utils.h b/tests/utils.h
index 828c8d0..a335c66 100644
--- a/tests/utils.h
+++ b/tests/utils.h
@@ -119,4 +119,6 @@
   ASSERT_EQ(expected_exit_status, WEXITSTATUS(status));
 }
 
+const std::string& get_executable_name();
+
 #endif