diff --git a/res/DEBIAN/postinst b/res/DEBIAN/postinst
index 57bb30d61..060e321d5 100755
--- a/res/DEBIAN/postinst
+++ b/res/DEBIAN/postinst
@@ -10,7 +10,7 @@ if [ "$1" = configure ]; then
 	if [ "systemd" == "$INITSYS" ]; then
 
 		if [ -e /etc/systemd/system/rustdesk.service ]; then
-			rm /etc/systemd/system/rustdesk.service /usr/lib/systemd/system/rustdesk.service /usr/lib/systemd/user/rustdesk.service >/dev/null  2>&1
+			rm -f /etc/systemd/system/rustdesk.service /usr/lib/systemd/system/rustdesk.service /usr/lib/systemd/user/rustdesk.service >/dev/null  2>&1
 		fi
 		mkdir -p /usr/lib/systemd/system/
 		cp /usr/share/rustdesk/files/systemd/rustdesk.service /usr/lib/systemd/system/rustdesk.service