diff --git a/redfish-core/lib/log_services.hpp b/redfish-core/lib/log_services.hpp
index a04dfb5..7d511e2 100644
--- a/redfish-core/lib/log_services.hpp
+++ b/redfish-core/lib/log_services.hpp
@@ -27,6 +27,7 @@
 #include <unistd.h>
 
 #include <app.hpp>
+#include <boost/algorithm/string/case_conv.hpp>
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/replace.hpp>
 #include <boost/algorithm/string/split.hpp>