diff --git a/trunk/perl-modules/core/trunk/OpenXPKI/Crypto/Tool/SCEP/Command/get_transaction_id.pm b/trunk/perl-modules/core/trunk/OpenXPKI/Crypto/Tool/SCEP/Command/get_transaction_id.pm
index 578c163..fa296f3 100644
--- a/trunk/perl-modules/core/trunk/OpenXPKI/Crypto/Tool/SCEP/Command/get_transaction_id.pm
+++ b/trunk/perl-modules/core/trunk/OpenXPKI/Crypto/Tool/SCEP/Command/get_transaction_id.pm
@@ -68,7 +68,7 @@ sub get_result
     my $trans_id = $fu_of{$ident}->read_file($outfile_of{$ident});
     chomp $trans_id;
     ##! 16: "trans ID: $trans_id"
-    $trans_id =~ m{ \A TRANSACTION\ ID=([A-F0-9]+) \z }xms;
+    $trans_id =~ m{ \A TRANSACTION\ ID=([a-fA-F0-9]+) \z }xms;

     return $1;
 }