diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index 558242e23..656fb8d3e 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -120,7 +120,7 @@ sub getUniqueId();
 sub latin1ToUtf8($);
 sub myrename($$$);
 sub notifyRegexpChanged($$);
-sub parseParams($;$);
+sub parseParams($;$$);
 sub perlSyntaxCheck($%);
 sub readingsBeginUpdate($);
 sub readingsBulkUpdate($$$@);