diff --git a/radio/src/targets/stock/board_stock.cpp b/radio/src/targets/stock/board_stock.cpp
index f1cf411a5..e3fabbf95 100644
--- a/radio/src/targets/stock/board_stock.cpp
+++ b/radio/src/targets/stock/board_stock.cpp
@@ -270,22 +270,22 @@ bool switchState(EnumKeys enuk)
 }
 
 // Trim switches ...
-uint8_t trimHelper(uint8_t neg_pind, uint8_t idx)
+uint8_t trimHelper(uint8_t negpin, uint8_t idx)
 {
   switch(idx){
-    case 0: return neg_pind & TRIMS_GPIO_PIN_LHL;
-    case 1: return neg_pind & TRIMS_GPIO_PIN_LHR;
+    case 0: return negpin & TRIMS_GPIO_PIN_LHL;
+    case 1: return negpin & TRIMS_GPIO_PIN_LHR;
 #if !defined(SIMU) && defined(TELEMETRY_MOD_14051_SWAPPED)
     case 2: return !pf7_digital[PF7_TRM_LV_DWN];
     case 3: return !pf7_digital[PF7_TRM_LV_UP];
 #else
-    case 2: return neg_pind & TRIMS_GPIO_PIN_LVD;
-    case 3: return neg_pind & TRIMS_GPIO_PIN_LVU;
+    case 2: return negpin & TRIMS_GPIO_PIN_LVD;
+    case 3: return negpin & TRIMS_GPIO_PIN_LVU;
 #endif
-    case 4: return neg_pind & TRIMS_GPIO_PIN_RVD;
-    case 5: return neg_pind & TRIMS_GPIO_PIN_RVU;
-    case 6: return neg_pind & TRIMS_GPIO_PIN_RHL;
-    case 7: return neg_pind & TRIMS_GPIO_PIN_RHR;
+    case 4: return negpin & TRIMS_GPIO_PIN_RVD;
+    case 5: return negpin & TRIMS_GPIO_PIN_RVU;
+    case 6: return negpin & TRIMS_GPIO_PIN_RHL;
+    case 7: return negpin & TRIMS_GPIO_PIN_RHR;
     default: return 0;
   }
 }