diff --git a/lib/MYDan/AntDen/Cli.pm b/lib/MYDan/AntDen/Cli.pm
index d2e7d84..e0d0dd3 100644
--- a/lib/MYDan/AntDen/Cli.pm
+++ b/lib/MYDan/AntDen/Cli.pm
@@ -53,7 +53,7 @@ sub _rcall
 
     my $res = $result{$api} || '';
     die "call fail: $res" unless $res =~ s/--- 0$//;
-    die "[Error]$res" if $res !~ /^---\n/;
+    die "[Error]$res" if $res !~ /^---/;
     return $res;
 }