diff --git a/zsh/environment b/zsh/environment
index fa2bdfb..e15c7f1 100644
--- a/zsh/environment
+++ b/zsh/environment
@@ -3,10 +3,13 @@ export LANG=en_US.UTF-8
 
 export GOPATH="$HOME/go"
 export PATH="./node_modules/.bin:$HOME/.cargo/bin:$HOME/bin:$HOME/.local/bin:$GOPATH/bin:/opt/homebrew/bin:/usr/local/sbin:$PATH"
-export CPATH="$CPATH:$(brew --prefix)/include"
-export LIBRARY_PATH="$LIBRARY_PATH:$(brew --prefix)/lib"
 export PIPENV_VENV_IN_PROJECT=true
 
+if exists brew; then
+  export CPATH="$CPATH:$(brew --prefix)/include"
+  export LIBRARY_PATH="$LIBRARY_PATH:$(brew --prefix)/lib"
+fi
+
 if exists vim; then
   export EDITOR=$(command -v vim)
 fi