diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 01eda4db944eb0c530130dbaf89c1adfab357b9d..33b100165d8ccac73a1b1bd6f6a82fc3da95bec9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -68,7 +68,7 @@ collect:
       seqtkImg=$(cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq | grep seqtk | cut -d"/" -f2 | cut -d":" -f1)
       seqtkVar=$(cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq | grep seqtk | cut -d"/" -f2 | cut -d":" -f2)
       echo ${dir}${seqtkImg}-${seqtkVar}.sif
-      singularity run ${dir}${seqtkImg}-${seqtkVar}.sif seqtk 2>&1 | grep -o Version.* > version_seqtk.txt&
+      singularity run ${dir}${seqtkImg}-${seqtkVar}.sif seqtk 2>&1 | grep -o Version.* > version_seqtk.txt
 
       rseqcImg=$(cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq | grep rseqc | cut -d"/" -f2 | cut -d":" -f1)
       rseqcVar=$(cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq | grep rseqc | cut -d"/" -f2 | cut -d":" -f2)
@@ -84,7 +84,7 @@ collect:
       picardImg=$(cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq | grep picard | cut -d"/" -f2 | cut -d":" -f1)
       picardVar=$(cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq | grep picard | cut -d"/" -f2 | cut -d":" -f2)
       echo ${dir}${picardImg}-${picardVar}.sif
-      singularity run ${dir}${picardImg}-${picardVar}.sif java -jar /picard/build/libs/picard.jar MarkDuplicates --version 2> version_markdups.txt&
+      singularity run ${dir}${picardImg}-${picardVar}.sif java -jar /picard/build/libs/picard.jar MarkDuplicates --version 2> version_markdups.txt
 
       subreadImg=$(cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq | grep subread | cut -d"/" -f2 | cut -d":" -f1)
       subreadVar=$(cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq | grep subread | cut -d"/" -f2 | cut -d":" -f2)