diff --git a/pkgs/os-specific/linux/blcr/default.nix b/pkgs/os-specific/linux/blcr/default.nix
index 7681e8e3c31..bc7523858fe 100644
--- a/pkgs/os-specific/linux/blcr/default.nix
+++ b/pkgs/os-specific/linux/blcr/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, kernel, perl, makeWrapper }:
+{ stdenv, lib, fetchurl, kernel, perl, makeWrapper }:
 
 # BLCR 0.8.5 should works for kernel version up to 3.7.1
 # BLCR 0.8.6 should works for kernel version up to 3.17.x
@@ -6,6 +6,9 @@
 assert stdenv.isLinux;
 assert builtins.compareVersions "3.18" kernel.version == 1;
 
+# it doesn't compile anymore on 3.12
+assert lib.versionAtLeast kernel.version "3.14";
+
 stdenv.mkDerivation {
   name = "blcr_${kernel.version}-0.8.6pre4";