diff --git a/pkgs/development/tools/misc/xxdiff/3.2.nix b/pkgs/development/tools/misc/xxdiff/3.2.nix
index f4a0b8bebc43..92d071362f34 100644
--- a/pkgs/development/tools/misc/xxdiff/3.2.nix
+++ b/pkgs/development/tools/misc/xxdiff/3.2.nix
@@ -10,7 +10,7 @@ rec {
   configureFlags = [];
 
   /* doConfigure should be specified separately */
-  phaseNames = ["prepareMainBuild"
+  phaseNames = ["prepareMainBuild" "fixInc"
     "deploy"
     "installPythonPackage" 
     (makeManyWrappers 
@@ -24,6 +24,10 @@ rec {
     make -f Makefile.bootstrap makefile
   '') ["minInit" "doUnpack"];
 
+  fixInc = FullDepEntry(''
+    sed -e '1i\#include <stdlib.h>' -i resources.inline.h
+  '') ["minInit" "doUnpack"];
+
   deploy = FullDepEntry (''
     ensureDir $out/bin/
     cp ../bin/xxdiff $out/bin