diff --git a/include/limits.h b/include/limits.h
index 3953aea53533895e4ac4f51e8af40d68b1bb4541..4d0410a0e08c9d324b8ef83a88c250c64cefb1bc 100644
--- a/include/limits.h
+++ b/include/limits.h
@@ -32,6 +32,7 @@
 #define SEM_VALUE_MAX 0x7fffffff
 #define SEM_NSEMS_MAX 256
 #define DELAYTIMER_MAX 0x7fffffff
+#define MQ_PRIO_MAX 32768
 
 /* Arbitrary numbers... */
 
diff --git a/src/conf/sysconf.c b/src/conf/sysconf.c
index 1c0ae88df21e8431a4b442f604f9e4950b5131de..1557aa540cd91ad0aef344f7694d6b501d4afcbe 100644
--- a/src/conf/sysconf.c
+++ b/src/conf/sysconf.c
@@ -36,7 +36,7 @@ long sysconf(int name)
 		[_SC_AIO_PRIO_DELTA_MAX] = 0, /* ?? */
 		[_SC_DELAYTIMER_MAX] = _POSIX_DELAYTIMER_MAX,
 		[_SC_MQ_OPEN_MAX] = -1,
-		[_SC_MQ_PRIO_MAX] = _POSIX_MQ_PRIO_MAX,
+		[_SC_MQ_PRIO_MAX] = MQ_PRIO_MAX,
 		[_SC_VERSION] = VER,
 		[_SC_PAGE_SIZE] = PAGE_SIZE,
 		[_SC_RTSIG_MAX] = 63, /* ?? */