diff --git a/fhem/FHEM/10_RESIDENTS.pm b/fhem/FHEM/10_RESIDENTS.pm
index e5d78723f..2f433486d 100644
--- a/fhem/FHEM/10_RESIDENTS.pm
+++ b/fhem/FHEM/10_RESIDENTS.pm
@@ -18,6 +18,7 @@ sub RESIDENTS_Initialize($) {
     $hash->{AttrFn}   = "RESIDENTStk_Attr";
     $hash->{NotifyFn} = "RESIDENTStk_Notify";
 
+    $hash->{'.READY'} = 0;
     $hash->{NotifyOrderPrefix} = "45-";
     $hash->{AttrList} =
         "disable:1,0 disabledForIntervals do_not_notify:1,0 "
diff --git a/fhem/FHEM/20_GUEST.pm b/fhem/FHEM/20_GUEST.pm
index 41946dc8d..08586c317 100644
--- a/fhem/FHEM/20_GUEST.pm
+++ b/fhem/FHEM/20_GUEST.pm
@@ -19,6 +19,7 @@ sub GUEST_Initialize($) {
     $hash->{AttrFn}   = "RESIDENTStk_Attr";
     $hash->{NotifyFn} = "RESIDENTStk_Notify";
 
+    $hash->{'.READY'} = 0;
     $hash->{NotifyOrderPrefix} = "35-";
     $hash->{AttrList} =
         "disable:1,0 disabledForIntervals do_not_notify:1,0 "
diff --git a/fhem/FHEM/20_ROOMMATE.pm b/fhem/FHEM/20_ROOMMATE.pm
index 95eee153d..1bbeba319 100644
--- a/fhem/FHEM/20_ROOMMATE.pm
+++ b/fhem/FHEM/20_ROOMMATE.pm
@@ -19,6 +19,7 @@ sub ROOMMATE_Initialize($) {
     $hash->{AttrFn}   = "RESIDENTStk_Attr";
     $hash->{NotifyFn} = "RESIDENTStk_Notify";
 
+    $hash->{'.READY'} = 0;
     $hash->{NotifyOrderPrefix} = "40-";
     $hash->{AttrList} =
         "disable:1,0 disabledForIntervals do_not_notify:1,0 "
diff --git a/fhem/FHEM/RESIDENTStk.pm b/fhem/FHEM/RESIDENTStk.pm
index 29caf9497..1f80f9e5f 100644
--- a/fhem/FHEM/RESIDENTStk.pm
+++ b/fhem/FHEM/RESIDENTStk.pm
@@ -1084,14 +1084,13 @@ sub RESIDENTStk_Notify($$) {
 
             # init RESIDENTS, ROOMMATE or GUEST devices after boot
             if ( $_ =~
-m/^INITIALIZED|REREADCFG|DEFINED.+|MODIFIED.+|RENAMED.+|DELETED.+$/
+m/^(INITIALIZED|REREADCFG|DEFINED|MODIFIED|RENAMED|DELETED)(?:\s+(.*))?$/
               )
             {
                 RESIDENTStk_findResidentSlaves($hash)
                   if ( $TYPE eq "RESIDENTS" );
                 RESIDENTStk_findDummySlaves($name)
                   if ( $TYPE ne "RESIDENTS" && $TYPE ne "dummy" );
-                return "";
             }
 
             # only process attribute events
@@ -3530,6 +3529,16 @@ sub RESIDENTStk_findDummySlaves($) {
             $hash->{NOTIFYDEV} .= $d;
         }
     }
+
+    # finish initialization
+    if ( $hash->{'.READY'} ) {
+        DoTrigger( "global", "MODIFIED $name", 1 );
+    }
+    else {
+        $hash->{'.READY'} = 1;
+        DoTrigger( "global", "INITIALIZED $name", 1 );
+    }
+    return "";
 }
 
 sub RESIDENTStk_GetPrefixFromType($) {