diff --git a/include/error_monitors/base_monitor.hpp b/include/error_monitors/base_monitor.hpp
index 33147cf..aeb5ac7 100644
--- a/include/error_monitors/base_monitor.hpp
+++ b/include/error_monitors/base_monitor.hpp
@@ -14,6 +14,8 @@
 // limitations under the License.
 */
 #pragma once
+#include <systemd/sd-journal.h>
+
 #include <boost/asio/io_context.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 #include <xyz/openbmc_project/Logging/Entry/common.hpp>