Fixes #487.
diff --git a/nvm.sh b/nvm.sh
index d588e1a..500e472 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -201,7 +201,7 @@
 
 nvm_ls_current() {
   local NODE_PATH
-  NODE_PATH="$(which node)"
+  NODE_PATH="$(which node 2> /dev/null)"
   if [ $? -ne 0 ]; then
     echo 'none'
   elif nvm_tree_contains_path "$NVM_DIR" "$NODE_PATH"; then