diff --git a/Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h b/Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h
index 40dcb929..3fc80249 100644
--- a/Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h
+++ b/Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h
@@ -415,8 +415,8 @@
 #define TEMP_MODEL_DEBUG 1    // extended runtime logging
 
 #define TEMP_MODEL_P 38.      // heater power (W)
-#define TEMP_MODEL_U 1.       // linear temperature coefficient (W/K/power)
-#define TEMP_MODEL_V 0.       // linear temperature intercept (W/power)
+#define TEMP_MODEL_U 0.       // linear temperature coefficient (W/K/power)
+#define TEMP_MODEL_V 1.       // linear temperature intercept (W/power)
 
 #define TEMP_MODEL_C 12.1     // initial guess for heatblock capacitance (J/K)
 #define TEMP_MODEL_Cl 5       // C estimation lower limit
diff --git a/Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h b/Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h
index f5d6d2f8..015124fa 100644
--- a/Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h
+++ b/Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h
@@ -419,8 +419,8 @@
 #define TEMP_MODEL_DEBUG 1    // extended runtime logging
 
 #define TEMP_MODEL_P 38.      // heater power (W)
-#define TEMP_MODEL_U 1.       // linear temperature coefficient (W/K/power)
-#define TEMP_MODEL_V 0.       // linear temperature intercept (W/power)
+#define TEMP_MODEL_U 0.       // linear temperature coefficient (W/K/power)
+#define TEMP_MODEL_V 1.       // linear temperature intercept (W/power)
 
 #define TEMP_MODEL_C 12.1     // initial guess for heatblock capacitance (J/K)
 #define TEMP_MODEL_Cl 5       // C estimation lower limit