diff --git a/fhem/FHEM/98_WeekdayTimer.pm b/fhem/FHEM/98_WeekdayTimer.pm
index 3ceae31dc..119a4643a 100644
--- a/fhem/FHEM/98_WeekdayTimer.pm
+++ b/fhem/FHEM/98_WeekdayTimer.pm
@@ -833,6 +833,7 @@ sub WeekdayTimer_FensterOffen ($$$) {
   my %contacts =  ( "CUL_FHTTK"       => { "READING" => "Window",          "STATUS" => "(Open)",        "MODEL" => "r" },
                     "CUL_HM"          => { "READING" => "state",           "STATUS" => "(open|tilted)", "MODEL" => "r" },
                     "EnOcean"         => { "READING" => "state",           "STATUS" => "(open)",        "MODEL" => "r" },
+                    "ZWave"           => { "READING" => "state",           "STATUS" => "(open)",        "MODEL" => "r" },
                     "MAX"             => { "READING" => "state",           "STATUS" => "(open.*)",      "MODEL" => "r" },
                     "WeekdayTimer"    => { "READING" => "delayedExecution","STATUS" => "^1\$",          "MODEL" => "a" },
                     "Heating_Control" => { "READING" => "delayedExecution","STATUS" => "^1\$",          "MODEL" => "a" }