diff --git a/radio/src/CMakeLists.txt b/radio/src/CMakeLists.txt
index 823d6b595..e8ca14819 100644
--- a/radio/src/CMakeLists.txt
+++ b/radio/src/CMakeLists.txt
@@ -84,7 +84,7 @@ if(PCB STREQUAL HORUS)
     pwr_driver.c
     sdram_driver.c
     led_driver.cpp
-    mp3_driver.cpp
+    # mp3_driver.cpp
     )
   set(STM32LIB_SRC
     STM32F4xx_StdPeriph_Driver/src/stm32f4xx_sdio.c
diff --git a/radio/src/targets/horus/audio_driver.cpp b/radio/src/targets/horus/audio_driver.cpp
index 4a3018ea3..50deff5ea 100644
--- a/radio/src/targets/horus/audio_driver.cpp
+++ b/radio/src/targets/horus/audio_driver.cpp
@@ -20,8 +20,6 @@
 
 #include "../../opentx.h"
 
-#if 0
-
 uint32_t audioBufferCount = 0;
 
 #if !defined(SIMU)
@@ -144,5 +142,3 @@ extern "C" void DMA1_Stream5_IRQHandler()
   }
 }
 #endif  // #if !defined(SIMU)
-
-#endif
\ No newline at end of file
diff --git a/radio/src/targets/horus/pwr_driver.c b/radio/src/targets/horus/pwr_driver.c
index 20e50ddb9..f280f307a 100644
--- a/radio/src/targets/horus/pwr_driver.c
+++ b/radio/src/targets/horus/pwr_driver.c
@@ -35,6 +35,9 @@ void pwrInit()
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
   GPIO_Init(PWR_GPIO, &GPIO_InitStructure);
 
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+  GPIO_Init(GPIOI, &GPIO_InitStructure);
+
   // Init Module PWR
   GPIO_ResetBits(EXTMODULE_GPIO_PWR, EXTMODULE_GPIO_PIN_PWR);
   GPIO_InitStructure.GPIO_Pin = EXTMODULE_GPIO_PIN_PWR;