diff --git a/repeatersetup.cpp b/repeatersetup.cpp
index 43e052b..a384dac 100644
--- a/repeatersetup.cpp
+++ b/repeatersetup.cpp
@@ -8,7 +8,7 @@ repeaterSetup::repeaterSetup(QWidget *parent) :
     ui->setupUi(this);
 
     ui->autoTrackLiveBtn->setEnabled(false); // until we set split enabled.
-
+    ui->warningFMLabel->setVisible(false);
     // populate the CTCSS combo box:
     populateTones();
 
@@ -414,6 +414,10 @@ void repeaterSetup::handleUpdateCurrentMainMode(mode_info m)
         this->currentModeMain = m;
         this->modeTransmitVFO = m;
         this->modeTransmitVFO.VFO = inactiveVFO;
+        if(m.mk == modeFM)
+            ui->warningFMLabel->setVisible(false);
+        else
+            ui->warningFMLabel->setVisible(true);
     }
 }
 
diff --git a/repeatersetup.ui b/repeatersetup.ui
index 7db53ec..d418873 100644
--- a/repeatersetup.ui
+++ b/repeatersetup.ui
@@ -395,6 +395,13 @@
          <string>Repeater Tone Type</string>
         </property>
         <layout class="QVBoxLayout" name="verticalLayout_3">
+         <item>
+          <widget class="QLabel" name="warningFMLabel">
+           <property name="text">
+            <string>Only available in FM</string>
+           </property>
+          </widget>
+         </item>
          <item>
           <widget class="QRadioButton" name="toneNone">
            <property name="text">