diff --git a/radio/src/targets/common/arm/stm32/adc_driver.cpp b/radio/src/targets/common/arm/stm32/adc_driver.cpp
index 1503ae5f2..b72305e5c 100644
--- a/radio/src/targets/common/arm/stm32/adc_driver.cpp
+++ b/radio/src/targets/common/arm/stm32/adc_driver.cpp
@@ -43,7 +43,7 @@
 #elif defined(REV4a)
   const int8_t ana_direction[NUM_ANALOGS] = {1,-1,1,-1,  1,-1,0,  1,1,  1};
 #else
-  const int8_t ana_direction[NUM_ANALOGS] = {1,-1,1,-1,  1,1,0,   1,1,  1};
+  const int8_t ana_direction[NUM_ANALOGS] = {1,-1,-1,1,  1,1};
 #endif
 
 #if NUM_PWMSTICKS > 0