diff --git a/pkgs/os-specific/linux/dietlibc/default.nix b/pkgs/os-specific/linux/dietlibc/default.nix
index 4a575c73f21d..633bd40749da 100644
--- a/pkgs/os-specific/linux/dietlibc/default.nix
+++ b/pkgs/os-specific/linux/dietlibc/default.nix
@@ -28,5 +28,10 @@ stdenv.mkDerivation {
     # from 0.31 CVS.
     ./dns64.patch
 
+    # Get lseek64 working on x86_64.  From
+    # http://svn.annvix.org/cgi-bin/viewvc.cgi/packages/releases/2.0-CURRENT/dietlibc/SOURCES
+    ./x86_64-lseek64.patch
+    #./x86_64-stat64.patch
+
   ];
 }
diff --git a/pkgs/os-specific/linux/dietlibc/x86_64-lseek64.patch b/pkgs/os-specific/linux/dietlibc/x86_64-lseek64.patch
new file mode 100644
index 000000000000..47187a310d2c
--- /dev/null
+++ b/pkgs/os-specific/linux/dietlibc/x86_64-lseek64.patch
@@ -0,0 +1,6 @@
+--- dietlibc-0.27/x86_64/lseek64.S.x86_64-lseek64	2005-03-29 08:46:09.074515293 -0500
++++ dietlibc-0.27/x86_64/lseek64.S	2005-03-29 08:46:09.074515293 -0500
+@@ -0,0 +1,3 @@
++#include "syscalls.h"
++
++syscall_weak(lseek,lseek64,__libc_lseek64)
diff --git a/pkgs/os-specific/linux/e2fsprogs/default.nix b/pkgs/os-specific/linux/e2fsprogs/default.nix
index da9ed73e2b9f..732abc52ef09 100644
--- a/pkgs/os-specific/linux/e2fsprogs/default.nix
+++ b/pkgs/os-specific/linux/e2fsprogs/default.nix
@@ -15,5 +15,5 @@ stdenv.mkDerivation {
   preInstall = "installFlagsArray=('LN=ln -s')";
   postInstall = "make install-libs";
   NIX_CFLAGS_COMPILE =
-    if stdenv ? isDietLibC then "-UHAVE_SYS_PRCTL_H" else "";
+    if stdenv ? isDietLibC then "-UHAVE_SYS_PRCTL_H -DHAVE_LSEEK64_PROTOTYPE=1 -Dstat64=stat" else "";
 }