diff --git a/companion/src/firmwares/er9x/simulator/er9xsimulator.cpp b/companion/src/firmwares/er9x/simulator/er9xsimulator.cpp
index c86ef080d..5f543d0b2 100644
--- a/companion/src/firmwares/er9x/simulator/er9xsimulator.cpp
+++ b/companion/src/firmwares/er9x/simulator/er9xsimulator.cpp
@@ -48,7 +48,7 @@ namespace Er9x {
 uint8_t pxxFlag = 0;
 int16_t g_anas[7];
 
-#define isBacklightEnable() (PORTB & (1<<OUT_B_LIGHT))
+#define isBacklightEnabled() (PORTB & (1<<OUT_B_LIGHT))
 
 uint16_t anaIn(uint8_t chan)
 {
@@ -152,7 +152,7 @@ void simuSetKey(uint8_t key, bool state)
   }
 }
 
-#define isBacklightEnable() (PORTB & (1<<OUT_B_LIGHT))
+#define isBacklightEnabled() (PORTB & (1<<OUT_B_LIGHT))
 
 }
 
diff --git a/companion/src/firmwares/ersky9x/simulator/ersky9xsimulator.cpp b/companion/src/firmwares/ersky9x/simulator/ersky9xsimulator.cpp
index 757c18d4d..5af1285ed 100644
--- a/companion/src/firmwares/ersky9x/simulator/ersky9xsimulator.cpp
+++ b/companion/src/firmwares/ersky9x/simulator/ersky9xsimulator.cpp
@@ -59,7 +59,7 @@ namespace Ersky9x {
 #include "../ersky9x/sound.cpp"
 #include "../ersky9x/diskio.cpp"
 
-#define isBacklightEnable() (PWM->PWM_CH_NUM[0].PWM_CDTY != 100)
+#define isBacklightEnabled() (PWM->PWM_CH_NUM[0].PWM_CDTY != 100)
 
 //uint8_t pxxFlag = 0;
 int16_t g_anas[7];
diff --git a/companion/src/firmwares/th9x/simulator/th9xsimulator.cpp b/companion/src/firmwares/th9x/simulator/th9xsimulator.cpp
index 84f3738a8..3659d7051 100644
--- a/companion/src/firmwares/th9x/simulator/th9xsimulator.cpp
+++ b/companion/src/firmwares/th9x/simulator/th9xsimulator.cpp
@@ -157,7 +157,7 @@ void simuSetKey(uint8_t key, bool state)
   }
 }
 
-#define isBacklightEnable() (PORTB & (1<<OUT_B_LIGHT))
+#define isBacklightEnabled() (PORTB & (1<<OUT_B_LIGHT))
 
 }
 
diff --git a/companion/src/simulation/simulatorimport.h b/companion/src/simulation/simulatorimport.h
index 1c0ee208f..21087c618 100644
--- a/companion/src/simulation/simulatorimport.h
+++ b/companion/src/simulation/simulatorimport.h
@@ -81,7 +81,7 @@ for (int fm=0; fm<MAX_FLIGHT_MODES; fm++) {
 #ifdef LCDCHANGED_IMPORT
 #undef LCDCHANGED_IMPORT
 if (simuLcdRefresh) {
-  lightEnable = isBacklightEnable();
+  lightEnable = isBacklightEnabled();
   simuLcdRefresh = false;
   return true;
 }