diff --git a/rna-seq.nf b/rna-seq.nf
index 9f4be25cb0d8df7623574e397198c46621719718..0c58e21c3c4c2a37f1aa330d61e6c09a316f8767 100644
--- a/rna-seq.nf
+++ b/rna-seq.nf
@@ -2717,16 +2717,16 @@ process failPreExecutionRun {
       errorDetails=\$(echo ${fastqCountError_details}"\\n")
     elif [ ${fastqReadError} == true ]
     then
-      errorDetails=\$(echo \$(errorDetails)${fastqReadError_details}"\\n")
+      errorDetails=\$(echo \${errorDetails}${fastqReadError_details}"\\n")
     elif [ ${fastqFileError} == true ]
     then
-      errorDetails=\$(echo \$(errorDetails)${fastqFileError_details}"\\n")
+      errorDetails=\$(echo \${errorDetails}${fastqFileError_details}"\\n")
     elif [ ${seqtypeError} == true ]
     then
-      errorDetails=\$(echo \$(errorDetails)${seqtypeError_details}"\\n")
+      errorDetails=\$(echo \${errorDetails}${seqtypeError_details}"\\n")
     elif [ ${speciesError} == true ]
     then
-      errorDetails=\$(echo \$(errorDetails)${speciesError_details}"\\n")
+      errorDetails=\$(echo \${errorDetails}${speciesError_details}"\\n")
     fi
 
     echo LOG: searching for workflow RID - BICF mRNA ${workflow.manifest.version} >> ${repRID}.failPreExecutionRun.log