diff --git a/conf/modules.config b/conf/modules.config
index a604e2d2..7732f77f 100644
--- a/conf/modules.config
+++ b/conf/modules.config
@@ -993,7 +993,7 @@ process {
     }
 
     withName: KRAKENUNIQ_PRELOADEDKRAKENUNIQ {
-        tag = { ${meta.single_end} ? "single_end" : "paried_end" }
+        tag = { "single_end_mode_${meta.single_end}" }
         publishDir = [
             path: { "${params.outdir}/metagenomics/profiling/krakenuniq/" },
             mode: params.publish_dir_mode,