diff --git a/pthread.c b/pthread.c
index d9316da..8310595 100644
--- a/pthread.c
+++ b/pthread.c
@@ -27,6 +27,7 @@
 #include <signal.h>
 #include <sys/errno.h>
 #include <sched.h>
+#include <linux/sched.h>
 #include <sys/mman.h>
 #include <string.h>
 #include <malloc.h>