diff --git a/.chezmoi.toml.tmpl b/.chezmoi.toml.tmpl
index bc64e56..b98444e 100644
--- a/.chezmoi.toml.tmpl
+++ b/.chezmoi.toml.tmpl
@@ -1,4 +1,4 @@
 {{ $installSystemRustup := promptBoolOnce "Install rustup from system or asdf ?" true -}}
 
 [scriptEnv]
-    installSystemRustup = {{ $installSystemRustup }}
+    SYSTEM_RUSTUP = {{ $installSystemRustup }}
diff --git a/home/.chezmoiscripts/run_onchange_after_10-install-packages.sh.tmpl b/home/.chezmoiscripts/run_onchange_after_10-install-packages.sh.tmpl
index cbf9537..5e8ed6e 100644
--- a/home/.chezmoiscripts/run_onchange_after_10-install-packages.sh.tmpl
+++ b/home/.chezmoiscripts/run_onchange_after_10-install-packages.sh.tmpl
@@ -26,7 +26,7 @@ packages=(
   zoxide
 )
 
-log "Rustup var: {{ .installSystemRustup | quote -}}"
+log "Rustup var: $SYSTEM_RUSTUP"
 
 {{ if (eq .chezmoi.osRelease.id "manjaro" "arch") -}}