diff --git a/software/bedtools/complement/main.nf b/software/bedtools/complement/main.nf
index 02089af4..7dce461d 100644
--- a/software/bedtools/complement/main.nf
+++ b/software/bedtools/complement/main.nf
@@ -1,6 +1,7 @@
 // Import generic module functions
 include { initOptions; saveFiles; getSoftwareName } from './functions'
 
+params.options = [:]
 def options    = initOptions(params.options)
 
 process BEDTOOLS_COMPLEMENT {