diff --git a/bin/install-node-system b/bin/install-node-system
index 7ef78c5..54c7c54 100755
--- a/bin/install-node-system
+++ b/bin/install-node-system
@@ -47,7 +47,7 @@ else
 fi
 
 cd ${NODE_PREFIX_DIR}
-sudo unlink current
+[[ -s current ]] && sudo unlink current
 sudo ln --symbolic ${NODE_VERSION} current
 echo current version set to ${NODE_VERSION}
 cd ${BIN_DIR}