diff --git a/tests/config/nextflow.config b/tests/config/nextflow.config
index e1903462..cd22dde8 100644
--- a/tests/config/nextflow.config
+++ b/tests/config/nextflow.config
@@ -18,7 +18,7 @@ if ("$PROFILE" == "singularity") {
     params.enable_conda = true
 } else {
     docker.enabled = true
-    docker.runOptions = '-u \$(id -u):\$(id -g)'
+    docker.userEmulation = true
 }
 
 // Increase time available to build Conda environment