diff --git a/include/host_error_monitor.hpp b/include/host_error_monitor.hpp
index 829b44f..336af02 100644
--- a/include/host_error_monitor.hpp
+++ b/include/host_error_monitor.hpp
@@ -14,6 +14,8 @@
 // limitations under the License.
 */
 #pragma once
+#include <peci.h>
+
 #include <sdbusplus/asio/object_server.hpp>
 
 #include <iostream>