diff --git a/app/templates/main/corpora/corpus_analysis.html.j2 b/app/templates/main/corpora/corpus_analysis.html.j2
index 64a51bc0cb0ec938d1f4972d026f88855fc1dfac..76c947bdd221e8c2c11e99e572d355a24c153718 100644
--- a/app/templates/main/corpora/corpus_analysis.html.j2
+++ b/app/templates/main/corpora/corpus_analysis.html.j2
@@ -52,19 +52,22 @@
     </form>
       <span class="card-title">Download Results</span>
       <p>Downlaod all results of the current query as csv, excel or json file.</p>
-      <div class="input-field">
-        <i class="material-icons prefix">insert_drive_file</i>
-        {{ dl_form.file_type() }}
-        {{ dl_form.file_type.label }}
-        {% for error in dl_form.file_type.errors %}
-          <span class="helper-text red-text">{{ error }}</span>
-        {% endfor %}
-      </div>
-      <div class="right-align">
-        <button class="btn" type="submit" name="action">Download
-          <i class="material-icons left">file_download</i>
-        </button>
-      </div>
+      <form method="POST">
+        {{ form.hidden_tag() }}
+        <div class="input-field">
+          <i class="material-icons prefix">insert_drive_file</i>
+          {{ dl_form.file_type() }}
+          {{ dl_form.file_type.label }}
+          {% for error in dl_form.file_type.errors %}
+            <span class="helper-text red-text">{{ error }}</span>
+          {% endfor %}
+        </div>
+        <div class="right-align">
+          <button class="btn" type="submit" name="action">Download
+            <i class="material-icons left">file_download</i>
+          </button>
+        </div>
+      </form>
     </div>
   </div>
 </div>