diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fa69957a..c5c417dd3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ Special thanks to the following for their contributions to the release:
 
 - [PR #1369](https://github.com/nf-core/rnaseq/pull/1369) - Add umicollapse as an alternative to umi-tools
 - [PR #1461](https://github.com/nf-core/rnaseq/pull/1461) - Add FASTQ linting during preprocessing
+- [PR #1463](https://github.com/nf-core/rnaseq/pull/1463) - Move channel operations outside of the onComplete() block
 
 ### Software dependencies
 
diff --git a/subworkflows/local/utils_nfcore_rnaseq_pipeline/main.nf b/subworkflows/local/utils_nfcore_rnaseq_pipeline/main.nf
index 1745f8be6..5e8820ddc 100644
--- a/subworkflows/local/utils_nfcore_rnaseq_pipeline/main.nf
+++ b/subworkflows/local/utils_nfcore_rnaseq_pipeline/main.nf
@@ -116,6 +116,8 @@ workflow PIPELINE_COMPLETION {
             id, status -> pass_strand_check[id] = status
         }
 
+    def multiqc_report_list = multiqc_report.toList()
+
     //
     // Completion email and summary
     //
@@ -128,7 +130,7 @@ workflow PIPELINE_COMPLETION {
                 plaintext_email,
                 outdir,
                 monochrome_logs,
-                multiqc_report.toList()
+                multiqc_report_list.getVal()
             )
         }