diff --git a/.zshrc b/.zshrc
index e37d2f6..9ea7b77 100644
--- a/.zshrc
+++ b/.zshrc
@@ -71,9 +71,13 @@ ${SKIP_PLUGINS:-false} || {
       fi
 
       # Plugins for use with Nix
-      zinit load "chisui/zsh-nix-shell"
-      zinit load "spwhitt/nix-zsh-completions"
-      zinit snippet OMZP::direnv
+      if command -v nix &> /dev/null; then
+         zinit load "chisui/zsh-nix-shell"
+         zinit load "spwhitt/nix-zsh-completions"
+      fi
+      if command -v direnv &> /dev/null; then
+         zinit snippet OMZP::direnv
+      fi
 
       ## Theme
       # terminal colors