diff --git a/fhem/contrib/betateilchen/02_FHEMapi.pm b/fhem/contrib/betateilchen/02_FHEMapi.pm
index 8ecde9058..e2a49a949 100644
--- a/fhem/contrib/betateilchen/02_FHEMapi.pm
+++ b/fhem/contrib/betateilchen/02_FHEMapi.pm
@@ -78,7 +78,7 @@ sub FHEMapi_Define($$) {
 
   return "Usage: define <name> FHEMapi <infix> <directory> <friendlyname>"  if(int(@a) != 5);
   my $name= $a[0];
-  my $infix= 'api'];
+  my $infix= 'api';
   my $directory= AttrVal('global','modPath','.').'/api';
   my $friendlyname= 'FHEMapi';