diff --git a/fhem/CHANGED b/fhem/CHANGED
index 12ecfe279..bf6667716 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: fix setter Readings in ShuttersControl.pm
  - change:  73_AutoShuttersControl: change Attribut ASC_advDate 
                to ASC_advStartDate. Add Attribut ASC_advEndDate
  - change:  50_Signalbot: new favorite feature and bug fixes
diff --git a/fhem/FHEM/73_AutoShuttersControl.pm b/fhem/FHEM/73_AutoShuttersControl.pm
index f6840ebec..2a7c95048 100644
--- a/fhem/FHEM/73_AutoShuttersControl.pm
+++ b/fhem/FHEM/73_AutoShuttersControl.pm
@@ -1462,7 +1462,7 @@ __END__
   ],
   "release_status": "stable",
   "license": "GPL_2",
-  "version": "v0.10.20",
+  "version": "v0.10.21",
   "author": [
     "Marko Oldenburg <fhemdevelopment@cooltux.net>"
   ],
diff --git a/fhem/lib/FHEM/Automation/ShuttersControl.pm b/fhem/lib/FHEM/Automation/ShuttersControl.pm
index a887296c8..5cca303bb 100644
--- a/fhem/lib/FHEM/Automation/ShuttersControl.pm
+++ b/fhem/lib/FHEM/Automation/ShuttersControl.pm
@@ -519,40 +519,38 @@ sub Set {
     my $cmd  = shift @$aArg
       // return qq{"set $name" needs at least one argument};
 
-    $cmd = lc($cmd);
-
     given ($cmd) {
-        when ('renewalltimer') {
+        when ('renewAllTimer') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) != 0 );
             RenewSunRiseSetShuttersTimer($hash);
         }
-        when ('renewtimer') {
+        when ('renewTimer') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) > 1 );
             CreateSunRiseSetShuttersTimer( $hash, $aArg->[0] );
         }
-        when ('scanforshutters') {
+        when ('scanForShutters') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) != 0 );
             ShuttersDeviceScan($hash);
         }
-        when ('createnewnotifydev') {
+        when ('createNewNotifyDev') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) != 0 );
             CreateNewNotifyDev($hash);
         }
-        when ('partymode') {
+        when ('partyMode') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) > 1 );
             ::readingsSingleUpdate( $hash, $cmd, $aArg->[0], 1 )
               if ( $aArg->[0] ne ::ReadingsVal( $name, 'partyMode', 0 ) );
         }
-        when ('hardlockout') {
+        when ('hardLockOut') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) > 1 );
             ::readingsSingleUpdate( $hash, $cmd, $aArg->[0], 1 );
             HardewareBlockForShutters( $hash, $aArg->[0] );
         }
-        when ('sunrisetimeweholiday') {
+        when ('sunriseTimeWeHoliday') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) > 1 );
             ::readingsSingleUpdate( $hash, $cmd, $aArg->[0], 1 );
         }
-        when ('controlshading') {
+        when ('controlShading') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) > 1 );
 
             my $response = CheckASC_ConditionsForShadingFn( $hash, $aArg->[0] );
@@ -568,19 +566,19 @@ sub Set {
                 1
             );
         }
-        when ('selfdefense') {
+        when ('selfDefense') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) > 1 );
             ::readingsSingleUpdate( $hash, $cmd, $aArg->[0], 1 );
         }
-        when ('ascenable') {
+        when ('ascEnable') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) > 1 );
             ::readingsSingleUpdate( $hash, $cmd, $aArg->[0], 1 );
         }
-        when ('advdrivedown') {
+        when ('advDriveDown') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) != 0 );
             EventProcessingAdvShuttersClose($hash);
         }
-        when ('shutterascenabletoggle') {
+        when ('shutterASCenableToggle') {
             return "usage: $cmd" if ( scalar( @{$aArg} ) > 1 );
             ::readingsSingleUpdate(
                 $defs{ $aArg->[0] },