diff --git a/src/libcec/devices/CECBusDevice.cpp b/src/libcec/devices/CECBusDevice.cpp
index 010406db..1645ea4a 100644
--- a/src/libcec/devices/CECBusDevice.cpp
+++ b/src/libcec/devices/CECBusDevice.cpp
@@ -1032,6 +1032,13 @@ bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
         LIB_CEC->AddLog(CEC_LOG_DEBUG, "powering up the AVR");
         audioSystem->PowerOn(m_iLogicalAddress);
       }
+
+      /* Some TVs are doesn't send 'use external speakers' */
+      if (audioSystem && audioSystem->IsPresent())
+      {
+        LIB_CEC->AddLog(CEC_LOG_DEBUG, "explicitly routing sound to AVR");
+        m_handler->TransmitSystemAudioModeRequest(m_iLogicalAddress, m_iPhysicalAddress, true);
+      }
     }
 
     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
diff --git a/src/libcec/implementations/CECCommandHandler.cpp b/src/libcec/implementations/CECCommandHandler.cpp
index 1167ab8a..210c39b5 100644
--- a/src/libcec/implementations/CECCommandHandler.cpp
+++ b/src/libcec/implementations/CECCommandHandler.cpp
@@ -1156,6 +1156,16 @@ bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsRep
   return Transmit(command, false, bIsReply);
 }
 
+bool CCECCommandHandler::TransmitSystemAudioModeRequest(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, CECDEVICE_AUDIOSYSTEM, CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST);
+  command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
+  command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
+
+  return Transmit(command, false, bIsReply);
+}
+
 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
 {
   cec_command command;
diff --git a/src/libcec/implementations/CECCommandHandler.h b/src/libcec/implementations/CECCommandHandler.h
index cb726535..96080648 100644
--- a/src/libcec/implementations/CECCommandHandler.h
+++ b/src/libcec/implementations/CECCommandHandler.h
@@ -90,6 +90,7 @@ namespace CEC
     virtual bool TransmitVendorID(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint64_t iVendorId, bool bIsReply);
     virtual bool TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply);
     virtual bool TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply);
+    virtual bool TransmitSystemAudioModeRequest(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply);
     virtual bool TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply);
     virtual bool TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply);
     virtual bool TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait = true);