diff --git a/fhem/CHANGED b/fhem/CHANGED
index c153a5ee6..2a054d8fb 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -1,5 +1,7 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+  - bugfix: PRESENCE: fix race condition, when delete disabled attribute and
+                      PRESENCE does not start to scan.
   - added: OPENWEATHER: captures weather forecast from API of www.wetter.com
   - fhem 5.6 released
 
diff --git a/fhem/FHEM/73_PRESENCE.pm b/fhem/FHEM/73_PRESENCE.pm
index 7ce944927..f771b63e2 100755
--- a/fhem/FHEM/73_PRESENCE.pm
+++ b/fhem/FHEM/73_PRESENCE.pm
@@ -373,14 +373,14 @@ PRESENCE_Attr(@)
 
         if(defined($hash->{DeviceName}))
         {
+            $hash->{helper}{DISABLED} = 0;
+            
             if(defined($hash->{FD}))
             {
                 PRESENCE_DoInit($hash) if(exists($hash->{helper}{DISABLED}));
-                $hash->{helper}{DISABLED} = 0;
             }
             else
             {
-                $hash->{helper}{DISABLED} = 0;
                 DevIo_OpenDev($hash, 0, "PRESENCE_DoInit");
             }
         }