diff --git a/src/nf_modules/picard/main.nf b/src/nf_modules/picard/main.nf
index f47aadef4bed7231ecf63985880f55a73bcd803e..d788992704fa1c5dd7f2124719d1e5b8638f19ab 100644
--- a/src/nf_modules/picard/main.nf
+++ b/src/nf_modules/picard/main.nf
@@ -39,7 +39,7 @@ process index_fasta {
 """
 PicardCommandLine CreateSequenceDictionary \
 REFERENCE=${fasta} \
-OUTPUT=${fasta.baseName}.dict
+OUTPUT=${fasta}.dict
 """
 }