diff --git a/action.yml b/action.yml
index 581e549..f6343c0 100644
--- a/action.yml
+++ b/action.yml
@@ -27,6 +27,7 @@ runs:
     - name: 'Upload file'
       run: |
         curl -v -H 'Authorization: Bearer ${{ inputs.secret }}' \
+          -F prefix='${{ inputs.prefix }}' \
           -F filename='${{ inputs.file }}' \
           -F data=@'${{ inputs.file }}' \
           -F is_folder='${{ inputs.is_folder }}' \