diff --git a/pkgs/os-specific/linux/spl/const.patch b/pkgs/os-specific/linux/spl/const.patch
new file mode 100644
index 000000000000..3bfcaa22b13c
--- /dev/null
+++ b/pkgs/os-specific/linux/spl/const.patch
@@ -0,0 +1,13 @@
+diff --git a/module/spl/spl-proc.c b/module/spl/spl-proc.c
+index f25239a..b731123 100644
+--- a/module/spl/spl-proc.c
++++ b/module/spl/spl-proc.c
+@@ -38,7 +38,7 @@
+ 
+ #define SS_DEBUG_SUBSYS SS_PROC
+ 
+-#if defined(CONSTIFY_PLUGIN) && LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)
++#if defined(CONSTIFY_PLUGIN)
+ typedef struct ctl_table __no_const spl_ctl_table;
+ #else
+ typedef struct ctl_table spl_ctl_table;
diff --git a/pkgs/os-specific/linux/spl/default.nix b/pkgs/os-specific/linux/spl/default.nix
index 1d70a76a001c..e74d0f0ef752 100644
--- a/pkgs/os-specific/linux/spl/default.nix
+++ b/pkgs/os-specific/linux/spl/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
     sha256 = "196scl8q0bkkak6m0p1l1fz254cgsizqm73bf9wk3iynamq7qmrw";
   };
 
-  patches = [ ./install_prefix.patch ./3_12-compat.patch ./3_13-compat-1.patch ./3_13-compat-2.patch ];
+  patches = [ ./install_prefix.patch ./3_12-compat.patch ./3_13-compat-1.patch ./3_13-compat-2.patch ./const.patch ];
 
   buildInputs = [ perl autoconf automake libtool ];
 
@@ -34,7 +34,7 @@ stdenv.mkDerivation {
 
     longDescription = ''
       This kernel module is a porting layer for ZFS to work inside the linux
-      kernel. 
+      kernel.
     '';
 
     homepage = http://zfsonlinux.org/;