diff --git a/fqfilter_v2.pl b/fqfilter_v2.pl
index 0e88a8a..b200161 100644
--- a/fqfilter_v2.pl
+++ b/fqfilter_v2.pl
@@ -305,11 +305,11 @@ BEGIN
       chomp($rid);
 
       if($rid =~ m/^\@.*\s/){
-        $rid =~ m/^\@(.*)\s/;
+        $rid =~ m/^\@(\S+)/;
         $ridtmp = $1;
       }
       else{
-        $rid =~ m/^\@(.*)/;
+        $rid =~ m/^\@(\S+)/;
         $ridtmp = $1;
       }