11 files changed, 11 insertions, 0 deletions
diff --git a/keyboards/handwired/co60/rev6/rules.mk b/keyboards/handwired/co60/rev6/rules.mk
index b20c2efedc..f4e7ae924d 100644
--- a/keyboards/handwired/co60/rev6/rules.mk
+++ b/keyboards/handwired/co60/rev6/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
 
 # Build Options
 #   comment out to disable the options.
diff --git a/keyboards/handwired/co60/rev7/rules.mk b/keyboards/handwired/co60/rev7/rules.mk
index 50e4bb8918..3e15f073ff 100644
--- a/keyboards/handwired/co60/rev7/rules.mk
+++ b/keyboards/handwired/co60/rev7/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
 
 # Use SPI for RGB underglow:
 WS2812_DRIVER = spi
diff --git a/keyboards/handwired/d48/rules.mk b/keyboards/handwired/d48/rules.mk
index 57c83694e1..41a6cc5220 100644
--- a/keyboards/handwired/d48/rules.mk
+++ b/keyboards/handwired/d48/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
 
 # Build Options
 #   change yes to no to disable
diff --git a/keyboards/handwired/ddg_56/rules.mk b/keyboards/handwired/ddg_56/rules.mk
index 0604f11763..dfbb0959f9 100644
--- a/keyboards/handwired/ddg_56/rules.mk
+++ b/keyboards/handwired/ddg_56/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
 
 # Build Options
 #   change to "no" to disable the options, or define them in the Makefile in
diff --git a/keyboards/handwired/floorboard/rules.mk b/keyboards/handwired/floorboard/rules.mk
index 5a83cfcf96..88bc406a23 100644
--- a/keyboards/handwired/floorboard/rules.mk
+++ b/keyboards/handwired/floorboard/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
 
 # Build Options
 #   change yes to no to disable
diff --git a/keyboards/handwired/onekey/proton_c/rules.mk b/keyboards/handwired/onekey/proton_c/rules.mk
index b17a3d0316..4e157baeda 100644
--- a/keyboards/handwired/onekey/proton_c/rules.mk
+++ b/keyboards/handwired/onekey/proton_c/rules.mk
@@ -1,2 +1,3 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
diff --git a/keyboards/handwired/onekey/pytest/rules.mk b/keyboards/handwired/onekey/pytest/rules.mk
index b17a3d0316..4e157baeda 100644
--- a/keyboards/handwired/onekey/pytest/rules.mk
+++ b/keyboards/handwired/onekey/pytest/rules.mk
@@ -1,2 +1,3 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
diff --git a/keyboards/handwired/selene/rules.mk b/keyboards/handwired/selene/rules.mk
index 9416bc5fd3..bfb967f9a5 100644
--- a/keyboards/handwired/selene/rules.mk
+++ b/keyboards/handwired/selene/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
 
 # Build Options
 #   change yes to no to disable
diff --git a/keyboards/handwired/sick_pad/rules.mk b/keyboards/handwired/sick_pad/rules.mk
index bfe731ecce..28578f0824 100644
--- a/keyboards/handwired/sick_pad/rules.mk
+++ b/keyboards/handwired/sick_pad/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
 
 # Build Options
 #   change yes to no to disable
diff --git a/keyboards/handwired/steamvan/rev1/rules.mk b/keyboards/handwired/steamvan/rev1/rules.mk
index 797d7b35da..30c74d2ece 100644
--- a/keyboards/handwired/steamvan/rev1/rules.mk
+++ b/keyboards/handwired/steamvan/rev1/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
 
 # Use SPI for RGB underglow:
 WS2812_DRIVER = spi
diff --git a/keyboards/handwired/wulkan/rules.mk b/keyboards/handwired/wulkan/rules.mk
index 25bb402698..b23f2a5fe1 100644
--- a/keyboards/handwired/wulkan/rules.mk
+++ b/keyboards/handwired/wulkan/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F303
+BOARD = QMK_PROTON_C
 
 # Build Options
 #   comment out to disable the options.