diff --git a/companion/src/firmwares/opentx/opentxinterface.cpp b/companion/src/firmwares/opentx/opentxinterface.cpp
index 21d77fcd4..2dacafe0b 100644
--- a/companion/src/firmwares/opentx/opentxinterface.cpp
+++ b/companion/src/firmwares/opentx/opentxinterface.cpp
@@ -815,7 +815,7 @@ int OpenTxFirmware::getCapability(const Capability capability)
 
 QTime OpenTxFirmware::getMaxTimerStart()
 {
-  if (IS_TARANIS(board))
+  if (IS_TARANIS(board) || IS_HORUS(board))
     return QTime(23, 59, 59);
   else if (IS_ARM(board))
     return QTime(8, 59, 59);