1 files changed, 1 insertions, 1 deletions
diff --git a/test.nix b/test.nix
index 8945759..1e26a70 100644
--- a/test.nix
+++ b/test.nix
@@ -16,8 +16,8 @@ pkgs.stdenv.mkDerivation rec {
     export OBJCOPY=arm-none-eabi-objcopy
     export SIZE=arm-none-eabi-size
 
+    cp ${teensy-core}/include/Makefile.default Makefile
     export TEENSY_PATH=${teensy-core}
-
     make
   '';