diff --git a/quantum/config_common.h b/quantum/config_common.h
index 22afa91132..306647d3c8 100644
--- a/quantum/config_common.h
+++ b/quantum/config_common.h
@@ -135,7 +135,7 @@
     #define D0 PAL_LINE(GPIOB, 6)
     #define D4 PAL_LINE(GPIOB, 5)
     #define C6 PAL_LINE(GPIOB, 4)
-    #define C7 PAL_LINE(GPIOB, 3)
+    #define D7 PAL_LINE(GPIOB, 3)
     #define E6 PAL_LINE(GPIOB, 2)
     #define B4 PAL_LINE(GPIOB, 1)
     #define B5 PAL_LINE(GPIOB, 0)
diff --git a/quantum/stm32/proton_c.mk b/quantum/stm32/proton_c.mk
index 33b1c98df7..4a62fbbb9c 100644
--- a/quantum/stm32/proton_c.mk
+++ b/quantum/stm32/proton_c.mk
@@ -36,3 +36,4 @@ DFU_ARGS = -d 0483:df11 -a 0 -s 0x08000000:leave
 
 RGBLIGHT_ENABLE = no
 AUDIO_ENABLE = yes
+BACKLIGHT_ENABLE = no