diff --git a/fhem/FHEM/10_CUL_HM.pm b/fhem/FHEM/10_CUL_HM.pm
index 66fe67db3..3b6db2937 100755
--- a/fhem/FHEM/10_CUL_HM.pm
+++ b/fhem/FHEM/10_CUL_HM.pm
@@ -1697,13 +1697,12 @@ sub CUL_HM_Parse($$) {#########################################################
       push @evtEt,[$shash,1,"battery:".   (($err&0x80)?"low"  :"ok"  )];
     }
     elsif($mTp eq "41") {#01 is channel
-      my($cnt,$bright,$nextTr) = (hex($mI[1]),hex($mI[2]),
-                                  ((@mI >2)?(hex($mI[3])>>4):0));
-      my @nextVal = ("0x0","0x1","0x2","0x3","15" ,"30" ,"60" ,"120",
-                     "240","0x9","0xa","0xb","0xc","0xd","0xe","0xf");
+      my($cnt,$bright) = (hex($mI[1]),hex($mI[2]));
+      my $nextTr = (@mI >2)? (int((1<<((hex($mI[3])>>4)-1))/1.1)."s")
+                           : "-";
       push @evtEt,[$shash,1,"state:motion"];
       push @evtEt,[$shash,1,"motion:on$target"];
-      push @evtEt,[$shash,1,"motionCount:$cnt"."_next:$nextTr"."-$nextVal[$nextTr]"];
+      push @evtEt,[$shash,1,"motionCount:$cnt"."_next:$nextTr"];
       push @evtEt,[$shash,1,"brightness:$bright"];
     }
     elsif($mTp eq "70" && $p =~ m/^7F(..)(.*)/) {