diff --git a/templates/devices.html b/templates/devices.html
index 639d8b6..e55c2e3 100644
--- a/templates/devices.html
+++ b/templates/devices.html
@@ -87,11 +87,19 @@
                                             <i class="bi bi-wifi"></i>
                                         </button>
                                     </form>
-                                    {% if firmwares %}
-                                    <button class="btn btn-sm btn-outline-warning" title="Firmware Update"
+                                    {% if firmwares and device.version and device.online %}
+                                        {% set needs_update = [] %}
+                                        {% for fw in firmwares %}
+                                            {% if device.version not in fw.name %}
+                                                {% if needs_update.append(1) %}{% endif %}
+                                            {% endif %}
+                                        {% endfor %}
+                                        {% if needs_update %}
+                                    <button class="btn btn-sm btn-outline-warning" title="Firmware Update verfuegbar"
                                             data-bs-toggle="modal" data-bs-target="#ota-{{ device.id }}">
                                         <i class="bi bi-cloud-arrow-up"></i>
                                     </button>
+                                        {% endif %}
                                     {% endif %}
                                     <button class="btn btn-sm btn-outline-primary" data-bs-toggle="modal"
                                             data-bs-target="#edit-{{ device.id }}">