diff --git a/fhem/CHANGED b/fhem/CHANGED
index cdcbe3d03..4432dbe72 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -1,5 +1,6 @@
 # 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:  73_AutoShuttersControl: bug line 623
   - feature: 73_AutoShuttersControl: add lockOut support at Z-Wave
   - feature: 73_AutoShuttersControl: ASC Attribut support for value zero
                 - no creation of the attributes during the first scan or no
diff --git a/fhem/FHEM/73_AutoShuttersControl.pm b/fhem/FHEM/73_AutoShuttersControl.pm
index bad58ba63..327d0b289 100644
--- a/fhem/FHEM/73_AutoShuttersControl.pm
+++ b/fhem/FHEM/73_AutoShuttersControl.pm
@@ -619,7 +619,7 @@ sub ShuttersDeviceScan($) {
         );     # temporär muss später gelöscht werden ab Version 0.2.0.7
 
         delFromDevAttrList( $_, 'ASC_LockOut_Cmd:inhibit,blocked' )
-          if ( AttrVal( $_, 'ASC_LockOut_Cmd', 'none' ) eq 'none'
+          if ( AttrVal( $_, 'ASC_LockOut_Cmd', 'none' ) eq 'none' )
           ;     # temporär muss später gelöscht werden ab Version 0.2.0.10
 
         $shuttersList = $shuttersList . ',' . $_;