diff --git a/install.sh b/install.sh
index a904a6b..dd71c62 100755
--- a/install.sh
+++ b/install.sh
@@ -23,15 +23,19 @@ fi
 
 echo "Changing default shell"
 ZSH_PATH="$(which zsh)"
-if sudo -l chsh -s $ZSH_PATH $USER; then
-  sudo chsh -s $ZSH_PATH $USER
-elif sudo -l usermod -s $ZSH_PATH $USER; then
-  sudo usermod -s $ZSH_PATH $USER
-else
-  echo "Cannot change shell using sudo, trying password"
-  if ! chsh -s "$ZSH_PATH"; then
-    echo "Unable to change shell to $ZSH_PATH, please change shell manually"
+if [ -x "$ZSH_PATH" ]; then
+  if sudo -l chsh -s $ZSH_PATH $USER; then
+    sudo chsh -s $ZSH_PATH $USER
+  elif sudo -l usermod -s $ZSH_PATH $USER; then
+    sudo usermod -s $ZSH_PATH $USER
+  else
+    echo "Cannot change shell using sudo, trying password"
+    if ! chsh -s "$ZSH_PATH"; then
+      echo "Unable to change shell to $ZSH_PATH, please change shell manually"
+    fi
   fi
+else
+  echo "No zsh available"
 fi
 
 SKEL_DIR="$APP_DIR/skel"