diff --git a/macos/develop/packages/nvm.sh b/macos/develop/packages/nvm.sh
index 7b826b6..71d26d2 100644
--- a/macos/develop/packages/nvm.sh
+++ b/macos/develop/packages/nvm.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
 # Install nvm
-curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.4/install.sh | bash
-nvm install --lts
+if [ ! -s "$HOME/.nvm/nvm.sh" ]; then
+    curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.4/install.sh | bash
+    nvm install --lts
+fi