diff --git a/subworkflows/local/profiling.nf b/subworkflows/local/profiling.nf
index ac744aa..b03b83e 100644
--- a/subworkflows/local/profiling.nf
+++ b/subworkflows/local/profiling.nf
@@ -23,6 +23,12 @@ workflow PROFILING {
     // e.g. output [DUMP: reads_plus_db] [['id':'2612', 'run_accession':'combined', 'instrument_platform':'ILLUMINA', 'single_end':1], <reads_path>/2612.merged.fastq.gz, ['tool':'malt', 'db_name':'mal95', 'db_params':'"-id 90"'], <db_path>/malt90]
     ch_input_for_profiling = reads
             .combine(databases)
+                meta, reads ->
+                    def meta_new = meta.clone()
+                        pairtype = meta_new['single_end'] ? '_se' : '_pe'
+                        meta_new['id'] =  meta_new['id'] + pairtype
+                    [meta_new, reads]
+            }
             .branch {
                 malt:    it[2]['tool'] == 'malt'
                 kraken2: it[2]['tool'] == 'kraken2'