diff --git a/src/main/fc/fc_msp.c b/src/main/fc/fc_msp.c
index 133b559302..99606fe2d7 100644
--- a/src/main/fc/fc_msp.c
+++ b/src/main/fc/fc_msp.c
@@ -1341,7 +1341,8 @@ static bool mspFcProcessOutCommand(uint16_t cmdMSP, sbuf_t *dst, mspPostProcessF
 
     case MSP2_INAV_OUTPUT_MAPPING:
         for (uint8_t i = 0; i < USABLE_TIMER_CHANNEL_COUNT; ++i)
-            sbufWriteU8(dst, timerHardware[i].usageFlags);
+            if (!(timerHardware[i].usageFlags & (TIM_USE_PPM | TIM_USE_PWM)))
+                sbufWriteU8(dst, timerHardware[i].usageFlags);
         break;
 
     default: