diff --git a/debian/spark-store.postinst b/debian/spark-store.postinst
index 0fbbbae..6cb47cc 100755
--- a/debian/spark-store.postinst
+++ b/debian/spark-store.postinst
@@ -18,7 +18,7 @@ case "$1" in
cp -f /tmp/spark-store-install/spark-store.asc.gpg /etc/apt/trusted.gpg.d/spark-store.gpg
# Run apt update to avoid users being fucked up by the non-exist dependency problem
- apt update &
+ apt update
# Update certain caches
update-icon-caches /usr/share/icons/hicolor || true