diff --git a/src/nf_modules/bwa/main.nf b/src/nf_modules/bwa/main.nf
index a70f4bb3ec421ef9f52499b0456853c165c85e61..0490b082a4d71d8cef7aa68d44ccf96d2ea41d89 100644
--- a/src/nf_modules/bwa/main.nf
+++ b/src/nf_modules/bwa/main.nf
@@ -10,8 +10,8 @@ workflow mapping {
     index_fasta(fasta)
     mapping_fastq(index_fasta.out.index.collect(), fastq)
   emit:
-    bam: mapping_fastq.out.bam
-    report: mapping_fastq.out.report
+    bam = mapping_fastq.out.bam
+    report = mapping_fastq.out.report
 }
 
 
diff --git a/src/nf_modules/gatk4/main.nf b/src/nf_modules/gatk4/main.nf
index bb072eb6d0b060b520756d06ab4b9d25275db47a..c17f43174aa4bb0d820b9c91199ba3a1d4a0048a 100644
--- a/src/nf_modules/gatk4/main.nf
+++ b/src/nf_modules/gatk4/main.nf
@@ -39,7 +39,7 @@ workflow germline_cohort_data_variant_calling {
       fasta_idx
     )
   emit:
-    vcf: call_variants_all_sample.out.vcf
+    vcf = call_variants_all_sample.out.vcf
 }
 
 /*******************************************************************/
@@ -62,7 +62,7 @@ workflow base_quality_recalibrator{
       compute_base_recalibration.out.table
     )
     emit:
-    bam: apply_base_recalibration.out.bam
+    bam = apply_base_recalibration.out.bam
 }
 
 process index_vcf {
@@ -195,7 +195,7 @@ workflow call_variants_all_sample {
       fasta_idx
     )
   emit:
-    vcf: genomic_db_call.out.vcf
+    vcf = genomic_db_call.out.vcf
 }
 
 process consolidate_gvcf {