diff --git a/inc/My/Builder/Unix.pm b/inc/My/Builder/Unix.pm
index 15291d5..5c5ab24 100644
--- a/inc/My/Builder/Unix.pm
+++ b/inc/My/Builder/Unix.pm
@@ -48,7 +48,7 @@ sub get_additional_libs {
 
 sub can_build_binaries_from_sources {
   my $self = shift;
-  return 1; # yes we can
+  return 0; # no we can't
 }
 
 sub build_binaries {
diff --git a/t/004_get_header_version.t b/t/004_get_header_version.t
index d4146ff..27f53ea 100644
--- a/t/004_get_header_version.t
+++ b/t/004_get_header_version.t
@@ -1,8 +1,11 @@
 # t/004_config.t
 
-use Test::More tests => 1;
+use Test::More;
 use Alien::SDL;
 
+Test::More::plan( skip_all => 'NixOS doesn\'t have SDL headers in this location' );
+
+
 like( Alien::SDL->get_header_version('SDL_version.h'), qr/([0-9]+\.)*[0-9]+/, "Testing SDL_version.h" );
 #like( Alien::SDL->get_header_version('SDL_net.h'), qr/([0-9]+\.)*[0-9]+/, "Testing SDL_net.h" );
 #like( Alien::SDL->get_header_version('SDL_image.h'), qr/([0-9]+\.)*[0-9]+/, "Testing SDL_image.h" );