diff --git a/Firmware/mmu2/variants/config_MMU2.h b/Firmware/mmu2/variants/config_MMU2.h
index 31ac838b1..2bbf1e3b4 100644
--- a/Firmware/mmu2/variants/config_MMU2.h
+++ b/Firmware/mmu2/variants/config_MMU2.h
@@ -43,7 +43,7 @@ static constexpr float MMU2_RETRY_UNLOAD_TO_FINDA_FEED_RATE = 80.0f; // mm/s
 // After loading a new filament, the printer will extrude the filament by this distance
 // and then retract it back to the original position. This is used to check if the
 // filament sensor reading flickers or filament is jammed.
-static constexpr float MMU2_CHECK_FILAMENT_PRESENCE_EXTRUSION_LENGTH = MMU2_EXTRUDER_PTFE_LENGTH + MMU2_EXTRUDER_HEATBREAK_LENGTH + MMU2_VERIFY_LOAD_TO_NOZZLE_TWEAK - MMU2_FILAMENT_SENSOR_POSITION;
+static constexpr float MMU2_CHECK_FILAMENT_PRESENCE_EXTRUSION_LENGTH = MMU2_EXTRUDER_PTFE_LENGTH + MMU2_EXTRUDER_HEATBREAK_LENGTH + MMU2_VERIFY_LOAD_TO_NOZZLE_TWEAK + MMU2_FILAMENT_SENSOR_POSITION;
 
 static constexpr uint8_t MMU2_NO_TOOL = 99;
 static constexpr uint32_t MMU_BAUD = 115200;
diff --git a/Firmware/mmu2/variants/config_MMU2S.h b/Firmware/mmu2/variants/config_MMU2S.h
index c5166cf55..de312ead2 100644
--- a/Firmware/mmu2/variants/config_MMU2S.h
+++ b/Firmware/mmu2/variants/config_MMU2S.h
@@ -43,7 +43,7 @@ static constexpr float MMU2_RETRY_UNLOAD_TO_FINDA_FEED_RATE = 80.0f; // mm/s
 // After loading a new filament, the printer will extrude the filament by this distance
 // and then retract it back to the original position. This is used to check if the
 // filament sensor reading flickers or filament is jammed.
-static constexpr float MMU2_CHECK_FILAMENT_PRESENCE_EXTRUSION_LENGTH = MMU2_EXTRUDER_PTFE_LENGTH + MMU2_EXTRUDER_HEATBREAK_LENGTH + MMU2_VERIFY_LOAD_TO_NOZZLE_TWEAK - MMU2_FILAMENT_SENSOR_POSITION;
+static constexpr float MMU2_CHECK_FILAMENT_PRESENCE_EXTRUSION_LENGTH = MMU2_EXTRUDER_PTFE_LENGTH + MMU2_EXTRUDER_HEATBREAK_LENGTH + MMU2_VERIFY_LOAD_TO_NOZZLE_TWEAK + MMU2_FILAMENT_SENSOR_POSITION;
 
 static constexpr uint8_t MMU2_NO_TOOL = 99;
 static constexpr uint32_t MMU_BAUD = 115200;