diff --git a/Marlin/Marlin.h b/Marlin/Marlin.h
index dc73e8e74..353cf50a4 100644
--- a/Marlin/Marlin.h
+++ b/Marlin/Marlin.h
@@ -340,8 +340,8 @@ extern bool axis_homed[3]; // axis[n].is_homed
 #endif
 
 #if ENABLED(BARICUDA)
-  extern int ValvePressure;
-  extern int EtoPPressure;
+  extern int baricuda_valve_pressure;
+  extern int baricuda_e_to_p_pressure;
 #endif
 
 #if ENABLED(FILAMENT_WIDTH_SENSOR)
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 3bb393c7c..ba352eee3 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -346,8 +346,8 @@ static uint8_t target_extruder;
 #endif
 
 #if ENABLED(BARICUDA)
-  int ValvePressure = 0;
-  int EtoPPressure = 0;
+  int baricuda_valve_pressure = 0;
+  int baricuda_e_to_p_pressure = 0;
 #endif
 
 #if ENABLED(FWRETRACT)
@@ -4622,22 +4622,22 @@ inline void gcode_M112() { kill(PSTR(MSG_KILLED)); }
     /**
      * M126: Heater 1 valve open
      */
-    inline void gcode_M126() { ValvePressure = code_seen('S') ? constrain(code_value(), 0, 255) : 255; }
+    inline void gcode_M126() { baricuda_valve_pressure = code_seen('S') ? constrain(code_value(), 0, 255) : 255; }
     /**
      * M127: Heater 1 valve close
      */
-    inline void gcode_M127() { ValvePressure = 0; }
+    inline void gcode_M127() { baricuda_valve_pressure = 0; }
   #endif
 
   #if HAS_HEATER_2
     /**
      * M128: Heater 2 valve open
      */
-    inline void gcode_M128() { EtoPPressure = code_seen('S') ? constrain(code_value(), 0, 255) : 255; }
+    inline void gcode_M128() { baricuda_e_to_p_pressure = code_seen('S') ? constrain(code_value(), 0, 255) : 255; }
     /**
      * M129: Heater 2 valve close
      */
-    inline void gcode_M129() { EtoPPressure = 0; }
+    inline void gcode_M129() { baricuda_e_to_p_pressure = 0; }
   #endif
 
 #endif //BARICUDA
diff --git a/Marlin/planner.cpp b/Marlin/planner.cpp
index ae2b66d00..ed3cd3047 100644
--- a/Marlin/planner.cpp
+++ b/Marlin/planner.cpp
@@ -428,8 +428,8 @@ void check_axes_activity() {
   #endif
 
   #if ENABLED(BARICUDA)
-    unsigned char tail_valve_pressure = ValvePressure,
-                  tail_e_to_p_pressure = EtoPPressure;
+    unsigned char tail_valve_pressure = baricuda_valve_pressure,
+                  tail_e_to_p_pressure = baricuda_e_to_p_pressure;
   #endif
 
   block_t* block;
@@ -650,8 +650,8 @@ float junction_deviation = 0.1;
   #endif
 
   #if ENABLED(BARICUDA)
-    block->valve_pressure = ValvePressure;
-    block->e_to_p_pressure = EtoPPressure;
+    block->valve_pressure = baricuda_valve_pressure;
+    block->e_to_p_pressure = baricuda_e_to_p_pressure;
   #endif
 
   // Compute direction bits for this block