diff --git a/fhem/FHEM/10_KNX.pm b/fhem/FHEM/10_KNX.pm
index 4ab013a99..75c2acdc9 100644
--- a/fhem/FHEM/10_KNX.pm
+++ b/fhem/FHEM/10_KNX.pm
@@ -292,8 +292,7 @@ my %dpttypes = (
 	'dpt14.056'     => {CODE=>'dpt14', UNIT=>q{W},  FACTOR=>1, OFFSET=>0, PATTERN=>qr/[-+]?(?:\d*[\.\,])?\d+/ix, MIN=>undef, MAX=>undef},
 	'dpt14.068'     => {CODE=>'dpt14', UNIT=>q{°C}, FACTOR=>1, OFFSET=>0, PATTERN=>qr/[-+]?(?:\d*[\.\,])?\d+/ix, MIN=>undef, MAX=>undef},
 	'dpt14.076'     => {CODE=>'dpt14', UNIT=>q{m³}, FACTOR=>1, OFFSET=>0, PATTERN=>qr/[-+]?(?:\d*[\.\,])?\d+/ix, MIN=>undef, MAX=>undef},
-	'dpt14.057'     => {CODE=>'dpt14', UNIT=>q{cos} . "\x{03C6}", FACTOR=>1, OFFSET=>0, PATTERN=>qr/[-+]?(?:\d*[\.\,])?\d+/ix, MIN=>undef, MAX=>undef}, # cosPhi
-#	'dpt14.057'     => {CODE=>'dpt14', UNIT=>q{cosΦ}, FACTOR=>1, OFFSET=>0, PATTERN=>qr/[-+]?(?:\d*[\.\,])?\d+/ix, MIN=>undef, MAX=>undef},
+	'dpt14.057'     => {CODE=>'dpt14', UNIT=>q{cosφ}, FACTOR=>1, OFFSET=>0, PATTERN=>qr/[-+]?(?:\d*[\.\,])?\d+/ix, MIN=>undef, MAX=>undef},
 
 	# 14-Octet String
 	'dpt16'         => {CODE=>'dpt16', UNIT=>q{}, FACTOR=>undef, OFFSET=>undef, PATTERN=>qr/.{1,14}/ix, MIN=>undef, MAX=>undef, SETLIST=>'multiple,>CLR<',