diff --git a/install.sh b/install.sh
index 7f272eef789..67485670f92 100755
--- a/install.sh
+++ b/install.sh
@@ -79,7 +79,10 @@ install_nvm_from_git() {
     echo "=> Downloading nvm from git to '$INSTALL_DIR'"
     command printf "\r=> "
     mkdir -p "$INSTALL_DIR"
-    command git clone "$(nvm_source)" "$INSTALL_DIR" || {
+    command git init "$INSTALL_DIR"
+    command git --git-dir="$INSTALL_DIR"/.git remote add origin "$(nvm_source)"
+    command git --git-dir="$INSTALL_DIR"/.git branch --set-upstream-to=origin/master master
+    command git --git-dir="$INSTALL_DIR"/.git pull || {
       echo >&2 "Failed to clone nvm repo. Please report this!"
       exit 1
     }