diff --git a/copy.sh b/copy.sh
index a2d938d..ed51a8e 100755
--- a/copy.sh
+++ b/copy.sh
@@ -41,14 +41,14 @@ fi
 # Install required packages
 if [[ "$1" == "--install" ]]; then
   echo -n "Rust is "
-  if ! where cargo; then
+  if ! command -v cargo; then
     echo "not installed. Installing..."
     curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
   else
     echo "installed."
   fi
   . "$HOME/.cargo/env"
-  if where cargo; then
+  if command -v cargo; then
     cargo install bat
   fi
   sh -c "$(curl -fsSL https://starship.rs/install.sh)"