diff --git a/Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h b/Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h
index 8f2606e35..55dd6b9b4 100644
--- a/Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h
+++ b/Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h
@@ -178,7 +178,7 @@ ADDITIONAL FEATURES SETTINGS
 *------------------------------------*/
 
 // Define Prusa filament runout sensor
-//#define FILAMENT_RUNOUT_SUPPORT
+#define FILAMENT_RUNOUT_SUPPORT
 
 #ifdef FILAMENT_RUNOUT_SUPPORT
 #define FILAMENT_RUNOUT_SENSOR 1