diff --git a/sesman/session.c b/sesman/session.c
index aa3abd12..89069278 100644
--- a/sesman/session.c
+++ b/sesman/session.c
@@ -41,6 +41,7 @@
 #include "libscp_types.h"
 #include "xauth.h"
 #include "xrdp_sockets.h"
+#include "utmp.h"
 
 #ifndef PR_SET_NO_NEW_PRIVS
 #define PR_SET_NO_NEW_PRIVS 38