diff --git a/fhem/FHEM/TcpServerUtils.pm b/fhem/FHEM/TcpServerUtils.pm
index 89f5a9f5c..86ff38d2c 100644
--- a/fhem/FHEM/TcpServerUtils.pm
+++ b/fhem/FHEM/TcpServerUtils.pm
@@ -111,14 +111,17 @@ TcpServer_Accept($$)
     # Certs directory must be in the modpath, i.e. at the same level as the
     # FHEM directory
     my $mp = AttrVal("global", "modpath", ".");
-    my $ret = IO::Socket::SSL->start_SSL($clientinfo[0], {
-      SSL_server    => 1, 
-      SSL_key_file  => "$mp/certs/server-key.pem",
-      SSL_cert_file => "$mp/certs/server-cert.pem",
-      SSL_version => $sslVersion,
-      SSL_cipher_list => 'HIGH:!RC4:!eNULL:!aNULL',
-      Timeout       => 4,
-      });
+    my $ret;
+    eval {
+      $ret = IO::Socket::SSL->start_SSL($clientinfo[0], {
+        SSL_server    => 1, 
+        SSL_key_file  => "$mp/certs/server-key.pem",
+        SSL_cert_file => "$mp/certs/server-cert.pem",
+        SSL_version => $sslVersion,
+        SSL_cipher_list => 'HIGH:!RC4:!eNULL:!aNULL',
+        Timeout       => 4,
+        });
+    };
     my $err = $!;
     if( !$ret
       && $err != EWOULDBLOCK