diff --git a/include/unistd.h b/include/unistd.h
index b9dc06d52e3d1cf62049a9e04479b0807c4a475e..ff5410882c2b11b55a26868acd475217ff495748 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -223,6 +223,7 @@ void syncfs(int);
 #define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION
 #define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION
 #define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION
+#define _POSIX_THREAD_CPUTIME   _POSIX_VERSION
 #define _POSIX_TIMERS           _POSIX_VERSION
 #define _POSIX_TIMEOUTS         _POSIX_VERSION
 #define _POSIX_MONOTONIC_CLOCK  _POSIX_VERSION
diff --git a/src/conf/sysconf.c b/src/conf/sysconf.c
index 9f0d97b28c528ba0908aa329bc0617de57211e3d..4819ae6a5f76e48c8bbb1b2fa83ea24046da3415 100644
--- a/src/conf/sysconf.c
+++ b/src/conf/sysconf.c
@@ -151,7 +151,7 @@ long sysconf(int name)
 		[_SC_C_LANG_SUPPORT_R] = -1,
 		[_SC_CLOCK_SELECTION] = VER,
 		[_SC_CPUTIME] = VER,
-		[_SC_THREAD_CPUTIME] = -1,
+		[_SC_THREAD_CPUTIME] = VER,
 		[_SC_DEVICE_IO] = -1,
 		[_SC_DEVICE_SPECIFIC] = -1,
 		[_SC_DEVICE_SPECIFIC_R] = -1,