--- a/include/utmpx.h
+++ b/include/utmpx.h
@@ -55,6 +55,12 @@
 #define USER_PROCESS    7
 #define DEAD_PROCESS    8
 
+
+#ifdef _GNU_SOURCE
+#define _PATH_UTMPX "/dev/null/utmp"
+#define _PATH_WTMPX "/dev/null/wtmp"
+#endif
+
 #ifdef __cplusplus
 }
 #endif