diff --git a/fhem/FHEM/00_FBAHAHTTP.pm b/fhem/FHEM/00_FBAHAHTTP.pm
index 8f4015f72..8c1c69b0f 100644
--- a/fhem/FHEM/00_FBAHAHTTP.pm
+++ b/fhem/FHEM/00_FBAHAHTTP.pm
@@ -128,9 +128,10 @@ FBAHAHTTP_Poll($)
     return $ret if($ret);
   }
   my $sid = $hash->{".SID"};
+  my $host = ($hash->{DEF} =~ m/^http/i ? $hash->{DEF} : "http://$hash->{DEF}");
 
   HttpUtils_NonblockingGet({
-    url=>"http://$hash->{DEF}/webservices/homeautoswitch.lua?sid=$sid".
+    url=>"$host/webservices/homeautoswitch.lua?sid=$sid".
          "&switchcmd=getdevicelistinfos",
     loglevel => AttrVal($name, "verbose", 4),
     timeout => AttrVal($name, "fbTimeout", 4),
@@ -221,8 +222,9 @@ FBAHAHTTP_ProcessStack($)
   my ($hash) = @_;
   my $name = $hash->{NAME};
   my $msg = $hash->{CmdStack}->[0];
+  my $host = ($hash->{DEF} =~ m/^http/i ? $hash->{DEF} : "http://$hash->{DEF}");
   HttpUtils_NonblockingGet({
-    url=>"http://$hash->{DEF}/webservices/homeautoswitch.lua?$msg",
+    url=>"$host/webservices/homeautoswitch.lua?$msg",
     loglevel => AttrVal($name, "verbose", 4),
     timeout => AttrVal($name, "fbTimeout", 4),
     callback => sub {
@@ -311,6 +313,9 @@ FBAHAHTTP_Write($$$)
     <ul>
       <code>define fb1 FBAHAHTTP fritz.box</code><br>
     </ul>
+    Note: to specify HTTPS for the connection use https://fritz.box as
+    hostname. To explicitly specify the port, postfix the hostname with :port,
+    as in https://fritz.box:443
   </ul>
   <br>
 
diff --git a/fhem/FHEM/FritzBoxUtils.pm b/fhem/FHEM/FritzBoxUtils.pm
index 6e6c7d882..e52c24708 100644
--- a/fhem/FHEM/FritzBoxUtils.pm
+++ b/fhem/FHEM/FritzBoxUtils.pm
@@ -11,11 +11,19 @@ my ($lastOkPw, $lastOkUser, $lastOkHost, $lastOkTime) =("", "", 0);
 
 sub FB_checkPw(@);
 
+sub
+FB_host2URL($)
+{
+  my ($h) = @_;
+  return "$h/" if($h =~ m/^http/i);
+  return "http://$h/";
+}
+
 sub
 FB_doCheckPW($$$)
 {
   my ($host, $user, $pw) = @_;
-  my $data = GetFileFromURL("http://$host/login_sid.lua", undef, undef, 1);
+  my $data = GetFileFromURL(FB_host2URL($host)."login_sid.lua",undef,undef,1);
   return undef if(!$data);
 
   my $chl="";
@@ -28,14 +36,14 @@ FB_doCheckPW($$$)
     my @d = ( "login:command/response=$chlAnsw",
               "getpage=../html/de/internet/connect_status.txt" );
     $data = join("&", map {join("=", map {urlEncode($_)} split("=",$_,2))} @d);
-    $data = GetFileFromURL("http://$host/cgi-bin/webcm", undef, $data, 1);
+    $data = GetFileFromURL(FB_host2URL($host)."cgi-bin/webcm", undef, $data, 1);
     my $isOk = ($data =~ m/checkStatus/);
     return $isOk;
 
   } else {                            # FritzOS >= 5.50
     my @d = ( "response=$chlAnsw", "page=/login_sid.lua" );
     $data = join("&", map {join("=", map {urlEncode($_)} split("=",$_,2))} @d);
-    my $url = "http://$host/login_sid.lua";
+    my $url = FB_host2URL($host)."login_sid.lua";
     $url .= "?username=$user" if($user);
 
     $data = GetFileFromURL($url, undef, $data, 1);