diff --git a/BUILDING_ON_LINUX.md b/BUILDING_ON_LINUX.md
index 0451e5595..4d1480e13 100644
--- a/BUILDING_ON_LINUX.md
+++ b/BUILDING_ON_LINUX.md
@@ -26,7 +26,7 @@ install [chatterino2-git](https://aur.archlinux.org/packages/chatterino2-git/) f
 1. `sudo dnf install gstreamer-plugins-good` *(optional: for audio output)*
 
 ## NixOS 18.09+
-1. enter the development environment with all of the dependencies: `nix-shell -p openssl boost qt5.full`
+1. enter the development environment with all of the dependencies: `nix-shell -p openssl boost qt5.full pkg-config`
 1. go into project directory
 1. create build folder `mkdir build && cd build`
 1. `qmake .. && make`