diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 4e02e9e6..d0e75e83 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1461,6 +1461,7 @@ Ville Skytt
  warnings with g++ 4.1.0
  for reporting warnings with g++ 4.1.0 regarding incrementing the 'state' variables
  in the repacker classes in remux.c
+ for adding a missing #include <linux/unistd.h> to thread.c
 
 Steffen Beyer <cpunk@reactor.de>
  for fixing setting the colored button help after deleting a recording in case the next
diff --git a/HISTORY b/HISTORY
index 2dd7c739..63decbdf 100644
--- a/HISTORY
+++ b/HISTORY
@@ -4140,3 +4140,4 @@ Video Disk Recorder Revision History
 - The SVDRP command LSTT now accepts the new option 'id' to have the channels
   of the timers listed with their unique channel ids instead of their numbers
   (suggested by Matthias Schniedermeyer).
+- Added a missing #include <linux/unistd.h> to thread.c (thanks to Ville Skyttä).
diff --git a/thread.c b/thread.c
index 2355e674..4fcfc277 100644
--- a/thread.c
+++ b/thread.c
@@ -4,11 +4,12 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: thread.c 1.50 2006/01/04 15:01:22 kls Exp $
+ * $Id: thread.c 1.51 2006/01/08 16:03:56 kls Exp $
  */
 
 #include "thread.h"
 #include <errno.h>
+#include <linux/unistd.h>
 #include <malloc.h>
 #include <stdarg.h>
 #include <sys/resource.h>