diff --git a/Makefile b/Makefile
index 98cf713..40b0244 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 build-iso:
-	cd nixpkgs/nixos && nix-build -A config.system.build.isoImage -I nixos-config=../../livecd-minimal.nix
+	cd nixpkgs/nixos && nix-build --show-trace -A config.system.build.isoImage -I nixos-config=../../livecd-minimal.nix
 
 submodules-update:
 	git submodule update --remote