diff --git a/Firmware/variants/1_75mm_MK2-RAMBo10a-E3Dv6full.h b/Firmware/variants/1_75mm_MK2-RAMBo10a-E3Dv6full.h
index 3b9f76987..7021d1077 100644
--- a/Firmware/variants/1_75mm_MK2-RAMBo10a-E3Dv6full.h
+++ b/Firmware/variants/1_75mm_MK2-RAMBo10a-E3Dv6full.h
@@ -97,6 +97,9 @@ AXIS SETTINGS
 // New XYZ calibration
 //#define NEW_XYZCAL
 
+// Watchdog support
+#define WATCHDOG
+
 
 /*------------------------------------
 EXTRUDER SETTINGS
diff --git a/Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h b/Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h
index 2d00929f3..b7a66903a 100644
--- a/Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h
+++ b/Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h
@@ -97,6 +97,8 @@ AXIS SETTINGS
 // New XYZ calibration
 //#define NEW_XYZCAL
 
+// Watchdog support
+#define WATCHDOG
 
 /*------------------------------------
 EXTRUDER SETTINGS
diff --git a/Firmware/variants/1_75mm_MK25S-RAMBo10a-E3Dv6full.h b/Firmware/variants/1_75mm_MK25S-RAMBo10a-E3Dv6full.h
index a1822970c..a0f53fad2 100644
--- a/Firmware/variants/1_75mm_MK25S-RAMBo10a-E3Dv6full.h
+++ b/Firmware/variants/1_75mm_MK25S-RAMBo10a-E3Dv6full.h
@@ -103,6 +103,9 @@
 // New XYZ calibration
 #define NEW_XYZCAL
 
+// Watchdog support
+#define WATCHDOG
+
 // Fan check
 #define FANCHECK
 
diff --git a/Firmware/variants/1_75mm_MK25S-RAMBo13a-E3Dv6full.h b/Firmware/variants/1_75mm_MK25S-RAMBo13a-E3Dv6full.h
index 92773807c..5946bc801 100644
--- a/Firmware/variants/1_75mm_MK25S-RAMBo13a-E3Dv6full.h
+++ b/Firmware/variants/1_75mm_MK25S-RAMBo13a-E3Dv6full.h
@@ -104,6 +104,9 @@
 // New XYZ calibration
 #define NEW_XYZCAL
 
+// Watchdog support
+#define WATCHDOG
+
 // Fan check
 #define FANCHECK