diff --git a/INSTALL-NIX.md b/INSTALL-NIX.md
index 6dfaf00c..3ff0e6d4 100644
--- a/INSTALL-NIX.md
+++ b/INSTALL-NIX.md
@@ -20,6 +20,8 @@ ctrl-d
 
 shell.nix script provided, all you need to do to setup the environment is to run `nix-shell` on the folder. 
 
+*Note*: nix-shell depends on the nix channel version, to force it to 19.03 (if you're on a different one) use `nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/nixos-19.03.tar.gz`
+
 # Installation
 
 ## Install node modules