diff --git a/modules/local/cooltools/insulation.nf b/modules/local/cooltools/insulation.nf
index af53529ef80baa12dbd81bd0a2b8fa3ec2122cfa..897eb6df297585bdf298f017b686492325dc2ad2 100644
--- a/modules/local/cooltools/insulation.nf
+++ b/modules/local/cooltools/insulation.nf
@@ -26,7 +26,7 @@ process COOLTOOLS_INSULATION {
 
     cat <<-END_VERSIONS > versions.yml
     "${task.process}":
-        cooltools: \$(cooltools --version 2>&1 | sed 's/cooltools, version //')
+        cooltools: \$(cooltools --version | sed 's/cooltools, version //')
     END_VERSIONS
     """
 }