diff --git a/src/libsystemd/sd-bus/test-bus-marshal.c b/src/libsystemd/sd-bus/test-bus-marshal.c
index 077cc6ddac..b9d1ea5217 100644
--- a/src/libsystemd/sd-bus/test-bus-marshal.c
+++ b/src/libsystemd/sd-bus/test-bus-marshal.c
@@ -246,6 +246,8 @@ int main(int argc, char *argv[]) {
                         log_error("%s", error.message);
                 else
                         dbus_message_unref(w);
+
+                dbus_error_free(&error);
         }
 #endif