diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index 6f190e71f..6725790d5 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -98,6 +98,7 @@ sub redirectStdinStdErr();
 sub rejectDuplicate($$$);
 sub setGlobalAttrBeforeFork($);
 sub setReadingsVal($$$$);
+sub utf8ToLatin1($);
 
 sub CommandAttr($$);
 sub CommandDefaultAttr($$);