diff --git a/keyboards/handwired/onekey/blackpill_f401/config.h b/keyboards/handwired/onekey/blackpill_f401/config.h
index c6166380c..829e84677 100644
--- a/keyboards/handwired/onekey/blackpill_f401/config.h
+++ b/keyboards/handwired/onekey/blackpill_f401/config.h
@@ -23,7 +23,7 @@
 #define UNUSED_PINS
 
 #define BACKLIGHT_PIN           A0
-#define BACKLIGHT_PWM_DRIVER    PWMD2
+#define BACKLIGHT_PWM_DRIVER    PWMD5
 #define BACKLIGHT_PWM_CHANNEL   1
 
 #define RGB_DI_PIN A1
diff --git a/keyboards/handwired/onekey/blackpill_f401/halconf.h b/keyboards/handwired/onekey/blackpill_f401/halconf.h
index d73c214ec..ae08512d4 100644
--- a/keyboards/handwired/onekey/blackpill_f401/halconf.h
+++ b/keyboards/handwired/onekey/blackpill_f401/halconf.h
@@ -16,5 +16,6 @@
 #pragma once
 
 #define HAL_USE_I2C TRUE
+#define HAL_USE_PWM TRUE
 
 #include_next "halconf.h"
diff --git a/keyboards/handwired/onekey/blackpill_f401/mcuconf.h b/keyboards/handwired/onekey/blackpill_f401/mcuconf.h
index 33e07847b..034a022db 100644
--- a/keyboards/handwired/onekey/blackpill_f401/mcuconf.h
+++ b/keyboards/handwired/onekey/blackpill_f401/mcuconf.h
@@ -19,3 +19,6 @@
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
+
+#undef STM32_PWM_USE_TIM5
+#define STM32_PWM_USE_TIM5 TRUE
diff --git a/keyboards/handwired/onekey/blackpill_f411/config.h b/keyboards/handwired/onekey/blackpill_f411/config.h
index c6166380c..829e84677 100644
--- a/keyboards/handwired/onekey/blackpill_f411/config.h
+++ b/keyboards/handwired/onekey/blackpill_f411/config.h
@@ -23,7 +23,7 @@
 #define UNUSED_PINS
 
 #define BACKLIGHT_PIN           A0
-#define BACKLIGHT_PWM_DRIVER    PWMD2
+#define BACKLIGHT_PWM_DRIVER    PWMD5
 #define BACKLIGHT_PWM_CHANNEL   1
 
 #define RGB_DI_PIN A1
diff --git a/keyboards/handwired/onekey/blackpill_f411/halconf.h b/keyboards/handwired/onekey/blackpill_f411/halconf.h
index d73c214ec..ae08512d4 100644
--- a/keyboards/handwired/onekey/blackpill_f411/halconf.h
+++ b/keyboards/handwired/onekey/blackpill_f411/halconf.h
@@ -16,5 +16,6 @@
 #pragma once
 
 #define HAL_USE_I2C TRUE
+#define HAL_USE_PWM TRUE
 
 #include_next "halconf.h"
diff --git a/keyboards/handwired/onekey/blackpill_f411/mcuconf.h b/keyboards/handwired/onekey/blackpill_f411/mcuconf.h
index 33e07847b..034a022db 100644
--- a/keyboards/handwired/onekey/blackpill_f411/mcuconf.h
+++ b/keyboards/handwired/onekey/blackpill_f411/mcuconf.h
@@ -19,3 +19,6 @@
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
+
+#undef STM32_PWM_USE_TIM5
+#define STM32_PWM_USE_TIM5 TRUE