diff --git a/init.fish b/init.fish
index 2e9cc17..52b8439 100644
--- a/init.fish
+++ b/init.fish
@@ -1 +1,5 @@
-zoxide init fish | source
+if command -sq zoxide
+    zoxide init fish | source
+else
+    echo 'zoxide: command not found, please install it from https://github.com/ajeetdsouza/zoxide'
+end
diff --git a/zoxide.plugin.zsh b/zoxide.plugin.zsh
index 2acda37..aa89a44 100644
--- a/zoxide.plugin.zsh
+++ b/zoxide.plugin.zsh
@@ -1 +1,5 @@
-eval "$(zoxide init zsh)"
+if (( $+commands[zoxide] )); then
+  eval "$(zoxide init zsh)"
+else
+  echo 'zoxide: command not found, please install it from https://github.com/ajeetdsouza/zoxide'
+fi