diff --git a/fhem/FHEM/00_MAXLAN.pm b/fhem/FHEM/00_MAXLAN.pm
index f9d61ec5e..16d8a5a65 100755
--- a/fhem/FHEM/00_MAXLAN.pm
+++ b/fhem/FHEM/00_MAXLAN.pm
@@ -30,7 +30,7 @@ my $reconnect_interval = 2; #seconds
 #the time it takes after sending one command till we see its effect in the L: response
 my $roundtriptime = 3; #seconds
 
-my $read_timeout = 1; #seconds. How long to wait for an answer from the Cube over TCP/IP
+my $read_timeout = 2; #seconds. How long to wait for an answer from the Cube over TCP/IP
 
 my $metadata_magic = 0x56;
 my $metadata_version = 2;
diff --git a/fhem/FHEM/14_CUL_MAX.pm b/fhem/FHEM/14_CUL_MAX.pm
index 210ea9feb..9c87e4283 100644
--- a/fhem/FHEM/14_CUL_MAX.pm
+++ b/fhem/FHEM/14_CUL_MAX.pm
@@ -25,7 +25,7 @@ my $timeBroadcastInterval = 6*60*60; #= 6 hours, the same time that the cube use
 
 my $resendRetries = 10; #how often resend before giving up?
 
-my $ackTimeout = 2.3; #seconds: The MAX devices wake up once every second. Making this a fraction increases our change to hit
+my $ackTimeout = 1.3; #seconds: The MAX devices wake up once every second. Making this a fraction increases our change to hit
 # the right moment the next time.
 
 sub