diff --git a/modules/local/hicpro/run_ice.nf b/modules/local/hicpro/run_ice.nf
index 0aaa3d5e09a0aab0378b7be4e47a147ade179557..0a435edcd0f2a82c93be2a1b9bd832a721c270cf 100644
--- a/modules/local/hicpro/run_ice.nf
+++ b/modules/local/hicpro/run_ice.nf
@@ -1,5 +1,5 @@
 process ICE_NORMALIZATION{
-    tag "${meta.id}"
+    tag "$meta.id"
     label 'process_high_memory'
 
     conda "conda-forge::python=3.9 bioconda::iced=0.5.10 conda-forge::numpy=1.22.3"