diff --git a/src/bcftools/bcftools_norm/config.vsh.yaml b/src/bcftools/bcftools_norm/config.vsh.yaml
index 3f9d01de..186d6fbd 100644
--- a/src/bcftools/bcftools_norm/config.vsh.yaml
+++ b/src/bcftools/bcftools_norm/config.vsh.yaml
@@ -24,7 +24,6 @@ argument_groups:
       - name: --input
         alternatives: -i
         type: file
-        multiple: true
         description: Input VCF/BCF file.
         required: true