diff --git a/tools/arkmanager b/tools/arkmanager
index ee75785..6400b25 100755
--- a/tools/arkmanager
+++ b/tools/arkmanager
@@ -1045,7 +1045,7 @@ doStart() {
     fi
   fi
 
-  serverpid="$(getServerPid)"
+  serverpid="$(getServerPID)"
   if [ -n "$serverpid" ] && kill -0 "$serverpid"; then
     logprint "Start aborted due to server already running - pid: $serverpid"
   else