diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index 16419655d..345449ab9 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -869,7 +869,10 @@ static void checkRTCBattery()
 void checkFailsafe()
 {
   for (int i=0; i<NUM_MODULES; i++) {
-    if (isModuleFailsafeAvailable(i)) {
+    if (isModuleMultimodule(i)) {
+      multiModuleStatus.requiresFailsafeCheck = true;
+    }
+    else if (isModuleFailsafeAvailable(i)) {
       ModuleData & moduleData = g_model.moduleData[i];
       if (moduleData.failsafeMode == FAILSAFE_NOT_SET) {
         ALERT(STR_FAILSAFEWARN, STR_NO_FAILSAFE, AU_ERROR);
diff --git a/radio/src/telemetry/multi.cpp b/radio/src/telemetry/multi.cpp
index 87944a862..2caf121f8 100644
--- a/radio/src/telemetry/multi.cpp
+++ b/radio/src/telemetry/multi.cpp
@@ -73,6 +73,12 @@ static void processMultiStatusPacket(const uint8_t *data)
   multiModuleStatus.patch = data[4];
   multiModuleStatus.lastUpdate = get_tmr10ms();
 
+  if (multiModuleStatus.requiresFailsafeCheck == true) {
+    multiModuleStatus.requiresFailsafeCheck = false;
+    if (multiModuleStatus.supportsFailsafe() &&  g_model.moduleData[EXTERNAL_MODULE].failsafeMode == FAILSAFE_NOT_SET)
+      POPUP_WARNING(STR_NO_FAILSAFE);
+  }
+
   if (wasBinding && !multiModuleStatus.isBinding() && multiBindStatus == MULTI_BIND_INITIATED)
     multiBindStatus = MULTI_BIND_FINISHED;
 }
diff --git a/radio/src/telemetry/multi.h b/radio/src/telemetry/multi.h
index 1b439ea24..de61bb745 100644
--- a/radio/src/telemetry/multi.h
+++ b/radio/src/telemetry/multi.h
@@ -118,17 +118,18 @@ struct MultiModuleStatus {
   uint8_t patch;
 
   uint8_t flags;
+  uint8_t requiresFailsafeCheck;
   tmr10ms_t lastUpdate;
 
   void getStatusString(char* statusText);
 
-  inline bool isValid() { return (bool)(get_tmr10ms() - lastUpdate < 200); }
-  inline bool supportsFailsafe() { return (bool) (flags & 0x20); }
-  inline bool isWaitingforBind() { return (bool) (flags & 0x10); }
-  inline bool isBinding() { return (bool) (flags & 0x08); }
-  inline bool protocolValid() { return (bool) (flags & 0x04); }
-  inline bool serialMode() { return (bool) (flags & 0x02); }
-  inline bool inputDetected() { return (bool) (flags & 0x01); }
+  inline bool isValid() const { return (bool)(get_tmr10ms() - lastUpdate < 200); }
+  inline bool supportsFailsafe() const { return (bool) (flags & 0x20); }
+  inline bool isWaitingforBind() const { return (bool) (flags & 0x10); }
+  inline bool isBinding() const { return (bool) (flags & 0x08); }
+  inline bool protocolValid() const { return (bool) (flags & 0x04); }
+  inline bool serialMode() const { return (bool) (flags & 0x02); }
+  inline bool inputDetected() const { return (bool) (flags & 0x01); }
 };
 
 extern MultiModuleStatus multiModuleStatus;