diff --git a/pkgs/os-specific/linux/libselinux/default.nix b/pkgs/os-specific/linux/libselinux/default.nix
index 4ddc30102212b3..8dc906b29936fc 100644
--- a/pkgs/os-specific/linux/libselinux/default.nix
+++ b/pkgs/os-specific/linux/libselinux/default.nix
@@ -24,6 +24,8 @@ stdenv.mkDerivation rec {
   # command-line>:0:0: error: "_FORTIFY_SOURCE" redefined [-Werror]
   hardeningDisable = [ "fortify" ];
 
+  NIX_CFLAGS_COMPILE = [ "-Wno-error" ];
+
   postPatch = optionalString enablePython ''
     sed -i -e 's|\$(LIBDIR)/libsepol.a|${libsepol}/lib/libsepol.a|' src/Makefile
   '';
diff --git a/pkgs/os-specific/linux/libsepol/default.nix b/pkgs/os-specific/linux/libsepol/default.nix
index 59962e911d421b..40872f7c1ac86a 100644
--- a/pkgs/os-specific/linux/libsepol/default.nix
+++ b/pkgs/os-specific/linux/libsepol/default.nix
@@ -20,6 +20,7 @@ stdenv.mkDerivation rec {
     makeFlagsArray+=("MAN3DIR=$out/share/man/man3")
   '';
 
+  NIX_CFLAGS_COMPILE = [ "-Wno-error" ];
 
   passthru = { inherit se_release se_url; };