diff --git a/scanpipe/forms.py b/scanpipe/forms.py
index c7a2fe7c7..7f9a0298c 100644
--- a/scanpipe/forms.py
+++ b/scanpipe/forms.py
@@ -257,7 +257,8 @@ class ArchiveProjectForm(forms.Form):
 
 
 class ProjectOutputDownloadForm(forms.Form):
-    output_formats = forms.MultipleChoiceField(
+    output_format = forms.ChoiceField(
+        label="Choose the output format to include in the ZIP file",
         choices=[
             ("json", "JSON"),
             ("xlsx", "XLSX"),
@@ -266,7 +267,8 @@ class ProjectOutputDownloadForm(forms.Form):
             ("attribution", "Attribution"),
         ],
         required=True,
-        widget=forms.CheckboxSelectMultiple,
+        initial="json",
+        widget=forms.RadioSelect,
     )
 
 
diff --git a/scanpipe/pipes/output.py b/scanpipe/pipes/output.py
index a71789811..48787a9d7 100644
--- a/scanpipe/pipes/output.py
+++ b/scanpipe/pipes/output.py
@@ -898,3 +898,12 @@ def to_attribution(project):
 
     output_file.write_text(rendered_template)
     return output_file
+
+
+FORMAT_TO_FUNCTION_MAPPING = {
+    "json": to_json,
+    "xlsx": to_xlsx,
+    "spdx": to_spdx,
+    "cyclonedx": to_cyclonedx,
+    "attribution": to_attribution,
+}
diff --git a/scanpipe/templates/scanpipe/modals/projects_download_modal.html b/scanpipe/templates/scanpipe/modals/projects_download_modal.html
index f96542be4..2bab0c761 100644
--- a/scanpipe/templates/scanpipe/modals/projects_download_modal.html
+++ b/scanpipe/templates/scanpipe/modals/projects_download_modal.html
@@ -7,10 +7,7 @@
     </header>
     <form action="{% url 'project_action' %}" method="post" id="download-projects-form">{% csrf_token %}
       <section class="modal-card-body">
-        <p class="mb-2">
-          Choose the formats to include in the ZIP file:
-        </p>
-        <ul class="mb-5">
+        <ul class="mb-3">
           {{ outputs_download_form.as_ul }}
         </ul>
       </section>
diff --git a/scanpipe/views.py b/scanpipe/views.py
index 3e99ec5c5..55ff2295c 100644
--- a/scanpipe/views.py
+++ b/scanpipe/views.py
@@ -1230,20 +1230,20 @@ def download_outputs_zip_response(self):
         if not outputs_download_form.is_valid():
             return HttpResponseRedirect(self.success_url)
 
-        # TODO:
-        # output_formats = outputs_download_form.cleaned_data["output_formats"]
+        output_format = outputs_download_form.cleaned_data["output_format"]
+        output_function = output.FORMAT_TO_FUNCTION_MAPPING.get(output_format)
         projects = self.get_projects_queryset()
 
         # In-memory file storage for the zip archive
         zip_buffer = io.BytesIO()
         with zipfile.ZipFile(zip_buffer, "w", zipfile.ZIP_DEFLATED) as zip_file:
             for project in projects:
-                output_file = output.to_xlsx(project)
+                output_file = output_function(project)
                 filename = output.safe_filename(f"{project.name}_{output_file.name}")
                 with open(output_file, "rb") as f:
                     zip_file.writestr(filename, f.read())
 
-        zip_buffer.seek(0)  # Move the buffer's cursor to the beginning
+        zip_buffer.seek(0)
         return FileResponse(
             zip_buffer,
             as_attachment=True,