diff --git a/lib/Nagios/Plugin/Getopt.pm b/lib/Nagios/Plugin/Getopt.pm
index f910c4b..22ff642 100644
--- a/lib/Nagios/Plugin/Getopt.pm
+++ b/lib/Nagios/Plugin/Getopt.pm
@@ -338,7 +338,7 @@ sub _process_extra_opts
     my $file = '';
 
     # Parse section@file
-    if ($extopts =~ m/^(\w*)@(.*?)\s*$/) {
+    if ($extopts =~ m/^([^@]*)@(.*?)\s*$/) {
       $section = $1;
       $file = $2;
     }