diff --git a/nextflow.config b/nextflow.config
index 2731e6f5..ae1fd946 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -125,7 +125,7 @@ params {
     // Limma-specific options
     limma_analysis_type     = null
     limma_pair_id_col       = null
-    limma_IHW_correction    = false
+    limma_IHW_correction    = null
     limma_ndups             = null
     limma_spacing           = null
     limma_block             = null