diff --git a/fhem/FHEM/88_HMCCUCHN.pm b/fhem/FHEM/88_HMCCUCHN.pm
index c5c70fa51..0fe61bcaa 100644
--- a/fhem/FHEM/88_HMCCUCHN.pm
+++ b/fhem/FHEM/88_HMCCUCHN.pm
@@ -407,7 +407,7 @@ sub HMCCUCHN_Set ($@)
 	}
 	elsif ($opt eq 'config') {
 		return HMCCU_SetError ($hash, "Usage: set $name config {parameter}={value} [...]")
-			if (scalar (keys %{$h}) < 1);
+			if ((scalar keys %{$h}) < 1);
 
 		my $rc = HMCCU_RPCSetConfig ($hash, $ccuaddr, $h);
 		return HMCCU_SetError ($hash, $rc) if ($rc < 0);
diff --git a/fhem/FHEM/88_HMCCUDEV.pm b/fhem/FHEM/88_HMCCUDEV.pm
index 47d63f50f..8f7fd9553 100644
--- a/fhem/FHEM/88_HMCCUDEV.pm
+++ b/fhem/FHEM/88_HMCCUDEV.pm
@@ -475,12 +475,11 @@ sub HMCCUDEV_Set ($@)
 		}
 	}
 	elsif ($opt eq 'config') {
-		return HMCCU_SetError ($hash, "Usage: set $name config [{channel-number}] {parameter}={value} [...]")
-		   if (scalar (keys %{$h}) < 1);
+		return HMCCU_SetError ($hash, "Usage: set $name config [{channel-number}] {parameter}={value} [...]") if ((scalar keys %{$h}) < 1);
 		my $objname = $ccuaddr;
 		
 		# Channel number is optional because parameter can be related to device or channel
-		if (scalar (@$a) > 0) && $$a[0] =~ /^([0-9]{1,2})$/) {
+		if ((scalar @$a) > 0 && $$a[0] =~ /^([0-9]{1,2})$/) {
 			return HMCCU_SetError ($hash, -7) if ($1 >= $hash->{channels});
 			$objname .= ':'.$1;
 		}