diff --git a/fhem/FHEM/00_ZWDongle.pm b/fhem/FHEM/00_ZWDongle.pm
index 233f2a069..378f0c377 100644
--- a/fhem/FHEM/00_ZWDongle.pm
+++ b/fhem/FHEM/00_ZWDongle.pm
@@ -652,7 +652,7 @@ ZWDongle_NUCheck($$$$)
     return 0 if($msg !~ m/^0048/ || $hash->{calledFromNuCheck});
     push @nuStack, "$fn/$msg";
     if(@nuStack == 1) {
-      InternalTimer(gettimeofday+40, sub { # ZME timeout is 9-11s, #111794
+      InternalTimer(gettimeofday+80, sub { # ZME timeout is 9-11s, #111794
         ZWDongle_NUCheck($hash, undef, "0048xx23", 0); # simulate fail
       }, \@nuStack, 0);
     }
@@ -668,7 +668,7 @@ ZWDongle_NUCheck($$$$)
     $hash->{calledFromNuCheck} = 1;
     ZWDongle_Write($hash, $a[0], $a[1]);
     delete($hash->{calledFromNuCheck});
-    InternalTimer(gettimeofday+40, sub {
+    InternalTimer(gettimeofday+80, sub {
       ZWDongle_NUCheck($hash, undef, "0048xx23", 0); # simulate fail
     }, \@nuStack, 0);
   }