diff --git a/CHANGES b/CHANGES
index 8fbd067fbc..e5be483e77 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,8 @@
 
+2.0-849 | 2012-07-24 11:06:16 -0700
+
+  * Adding missing include needed on some systems. (Robin Sommer)
+    
 2.0-846 | 2012-07-23 16:36:37 -0700
 
   * Fix WriterBackend::WriterInfo serialization, reenable ascii
diff --git a/VERSION b/VERSION
index 500ff3b4cd..3ccfd995f9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.0-846
+2.0-849
diff --git a/src/logging/writers/Ascii.cc b/src/logging/writers/Ascii.cc
index c77e680a92..3866c48b64 100644
--- a/src/logging/writers/Ascii.cc
+++ b/src/logging/writers/Ascii.cc
@@ -3,6 +3,7 @@
 #include <string>
 #include <errno.h>
 #include <fcntl.h>
+#include <unistd.h>
 
 #include "NetVar.h"
 #include "threading/SerialTypes.h"