diff --git a/UI/frontend-plugins/decklink-output-ui/forms/output.ui b/UI/frontend-plugins/decklink-output-ui/forms/output.ui
index 6f8c69841..c3197e3d6 100644
--- a/UI/frontend-plugins/decklink-output-ui/forms/output.ui
+++ b/UI/frontend-plugins/decklink-output-ui/forms/output.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>793</width>
-    <height>292</height>
+    <height>328</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -50,6 +50,19 @@
     <string>Stop</string>
    </property>
   </widget>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>420</x>
+     <y>290</y>
+     <width>351</width>
+     <height>20</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>Keyer output requires RGB mode in advanced settings.</string>
+   </property>
+  </widget>
  </widget>
  <resources/>
  <connections/>