diff --git a/lib/SLUB/LZA/Rosetta/TA/common_sru.pm b/lib/SLUB/LZA/Rosetta/TA/common_sru.pm
index b00b9671b257532ea7db43bd0e97cffdca144fa5..509a994ce4ea8685f622711b5ab7c158262ef314 100644
--- a/lib/SLUB/LZA/Rosetta/TA/common_sru.pm
+++ b/lib/SLUB/LZA/Rosetta/TA/common_sru.pm
@@ -45,7 +45,7 @@ sub prepare_query {
     #my $query = join(" and ", @queries);
     my $query = join("+", @queries);
     if (exists $opt->{debug}) {
-        use Data::Printer;
+        require Data::Printer;
         p( $opt);
         p(@queries);
         p( $query);