diff --git a/Grbl_Esp32/src/Limits.cpp b/Grbl_Esp32/src/Limits.cpp
index dd8c722d..6c99bf1f 100644
--- a/Grbl_Esp32/src/Limits.cpp
+++ b/Grbl_Esp32/src/Limits.cpp
@@ -442,7 +442,7 @@ void limits_init() {
 // Return a mask of the switches that are engaged.
 AxisMask limits_check(AxisMask check_mask) {
     // Expand the bitmask to include both gangs
-    bit_true(check_mask, check_mask << 16);
+    set_bits(check_mask, check_mask << 16);
     return (Machine::Axes::posLimitMask | Machine::Axes::negLimitMask) & check_mask;
 }
 
diff --git a/Grbl_Esp32/src/Machine/LimitPin.cpp b/Grbl_Esp32/src/Machine/LimitPin.cpp
index 892f45ef..ee924869 100644
--- a/Grbl_Esp32/src/Machine/LimitPin.cpp
+++ b/Grbl_Esp32/src/Machine/LimitPin.cpp
@@ -64,10 +64,10 @@ namespace Machine {
         _value        = _pin.read();
         if (_value) {
             if (_posLimits != nullptr) {
-                bit_true(*_posLimits, _bitmask);
+                set_bits(*_posLimits, _bitmask);
             }
             if (_negLimits != nullptr) {
-                bit_true(*_negLimits, _bitmask);
+                set_bits(*_negLimits, _bitmask);
             }
         } else {
             if (_posLimits != nullptr) {
diff --git a/Grbl_Esp32/src/NutsBolts.h b/Grbl_Esp32/src/NutsBolts.h
index f497e809..6d886678 100644
--- a/Grbl_Esp32/src/NutsBolts.h
+++ b/Grbl_Esp32/src/NutsBolts.h
@@ -81,7 +81,7 @@ const float INCH_PER_MM = (0.0393701f);
 #endif
 #define bit(n) (1 << static_cast<unsigned int>(n))
 
-#define bit_true(target, mask) (target) |= (mask)
+#define set_bits(target, mask) (target) |= (mask)
 #define clear_bits(target, mask) (target) &= ~(mask)
 #define bits_are_true(target, mask) ((target & mask) != 0)
 #define bits_are_false(target, mask) ((target & mask) == 0)