diff --git a/FHEM/46_TeslaPowerwall2AC.pm b/FHEM/46_TeslaPowerwall2AC.pm
index cbbf3b4..ec4577d 100644
--- a/FHEM/46_TeslaPowerwall2AC.pm
+++ b/FHEM/46_TeslaPowerwall2AC.pm
@@ -725,7 +725,7 @@ sub ReadingsProcessing_Powerwalls {
                 while ( my ( $r, $v ) = each %{$powerwall} ) {
                     $readings{ 'wall_' . $i . '_' . $r } = $v;
 
-                    if ref($v) eq 'HASH' ) {
+                    if ( ref($v) eq 'HASH' ) {
                         while ( my ( $s, $t ) = each %{$v} ) {
                             $readings{ 'wall_' . $i . '_' . $r . '_' . $s } = $t;
                         }
diff --git a/controls_TeslaPowerwall2AC.txt b/controls_TeslaPowerwall2AC.txt
index 0cd9cb0..578a684 100644
--- a/controls_TeslaPowerwall2AC.txt
+++ b/controls_TeslaPowerwall2AC.txt
@@ -1 +1 @@
-UPD 2021-02-27_15:42:04 30955 FHEM/46_TeslaPowerwall2AC.pm
+UPD 2021-02-27_15:47:38 30957 FHEM/46_TeslaPowerwall2AC.pm