diff --git a/tools/arkmanager b/tools/arkmanager
index 537c15e..c081345 100755
--- a/tools/arkmanager
+++ b/tools/arkmanager
@@ -1506,6 +1506,7 @@ doUpdate() {
       done
     fi
 
+    rm -f "${arkserverroot}/.ark-update.lock"
     # we restart the server only if it was started before the update
     if [ $serverWasAlive -eq 1 ] || [ -f "${arkserverroot}/.startAfterUpdate" ]; then
       rm -f "${arkserverroot}/.startAfterUpdate"