diff --git a/usr/libexec/security-misc/apt-get-update b/usr/libexec/security-misc/apt-get-update
index 0e5e8f5..6262d00 100755
--- a/usr/libexec/security-misc/apt-get-update
+++ b/usr/libexec/security-misc/apt-get-update
@@ -11,10 +11,9 @@ set -o pipefail
 export LC_ALL=C
 
 write_pid_file() {
-  [[ -z "${TMP:-}" ]] && error "TMP is unset"
-  safe-rm -rf "$TMP/security-misc-apt-get-update-pid"
-  install -m644 /dev/null "$TMP/security-misc-apt-get-update-pid"
-  echo "$$" | sponge -- "$TMP/security-misc-apt-get-update-pid"
+  safe-rm -rf "/run/helper-scripts/security-misc-apt-get-update-pid"
+  install -m644 /dev/null "/run/helper-scripts/security-misc-apt-get-update-pid"
+  echo "$$" | sponge -- "/run/helper-scripts/security-misc-apt-get-update-pid"
 }
 
 sigterm_trap() {