diff --git a/tools/arkmanager b/tools/arkmanager
index 63d3743..bf6bd69 100755
--- a/tools/arkmanager
+++ b/tools/arkmanager
@@ -1174,7 +1174,10 @@ doWarn(){
           for (( min = warnminutes; min >= warninterval; min-- )); do
             numplayers=$(numPlayersConnected)
             echo "There are ${numplayers} players connected"
-            if (( (numplayers + 0) == 0 )); then
+            if [[ "numplayers" == "-1" ]]; then
+              echo "Server is not running.  Shutting down immediately"
+              return 0
+            elif (( (numplayers + 0) == 0 )); then
               doBroadcastWithEcho "Nobody is connected.  Shutting down immediately"
               rm -f "${arkserverroot}/.ark-warn.lock"
               return 0
@@ -1207,7 +1210,10 @@ doWarn(){
         if (( warnseconds >= 20 )); then
           numplayers=$(numPlayersConnected)
           echo "There are ${numplayers} players connected"
-          if (( (numplayers + 0) == 0 )); then
+          if [[ "numplayers" == "-1" ]]; then
+            echo "Server is not running.  Shutting down immediately"
+            return 0
+          elif (( (numplayers + 0) == 0 )); then
             doBroadcastWithEcho "Nobody is connected.  Shutting down immediately"
             rm -f "${arkserverroot}/.ark-warn.lock"
             return 0