diff --git a/AUTHORS b/AUTHORS
index 76344452c..a5c05d605 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -46,6 +46,7 @@ The following submitted code, packages or analysis, and deserve special thanks:
   Tomas Cech
   Duane Waddle
   Stefan Keel
+  Christopher J. Pilkington
 
 Thanks to the following, who submitted detailed bug reports and excellent
 suggestions:
diff --git a/ChangeLog b/ChangeLog
index 9cb0af900..6405ecedc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -71,6 +71,8 @@
    report column (thanks to Duane Waddle).
  + Fixed bug #762, #763, so that modifications to tasks are considered 'write'
    commands, and therefore update shadow files (thanks to Aikido Guy).
+ + Applied patch for Bug #770, which fixed a broken build (thanks to Christopher
+   J. Pilkington).
 
 # Untracked Bugs, biggest first.
 
diff --git a/src/util.cpp b/src/util.cpp
index 647eebdf7..30e879eeb 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -35,6 +35,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <pwd.h>
 #include <errno.h>