diff --git a/subworkflows/local/profiling.nf b/subworkflows/local/profiling.nf
index 659430f..87bea1a 100644
--- a/subworkflows/local/profiling.nf
+++ b/subworkflows/local/profiling.nf
@@ -76,18 +76,18 @@ workflow PROFILING {
 
     ch_input_for_centrifuge =  ch_input_for_profiling.centrifuge
                             .filter{
-                                 if (it[0].is_fasta) log.warn "[nf-core/taxprofiler] Centrifuge currently does not accept FASTA files as input. Skipping Centrifuge for sample " + it[0].id
-                                 !it[0].is_fasta
+                                if (it[0].is_fasta) log.warn "[nf-core/taxprofiler] Centrifuge currently does not accept FASTA files as input. Skipping Centrifuge for sample ${it[0].id}."
+                                !it[0].is_fasta
                             }
                             .multiMap {
                                 it ->
-                                   reads: [ it[0] + it[2], it[1] ]
-                                   db: it[3]
+                                    reads: [ it[0] + it[2], it[1] ]
+                                    db: it[3]
                             }
 
     ch_input_for_metaphlan3 = ch_input_for_profiling.metaphlan3
                             .filter{
-                                if (it[0].is_fasta) log.warn "[nf-core/taxprofiler] MetaPhlAn3 currently does not accept FASTA files as input. Skipping MetaPhlAn3 for sample " + it[0].id
+                                if (it[0].is_fasta) log.warn "[nf-core/taxprofiler] MetaPhlAn3 currently does not accept FASTA files as input. Skipping MetaPhlAn3 for sample ${it[0].id}."
                                 !it[0].is_fasta
                             }
                             .multiMap {