diff --git a/libctru/include/3ds/services/gspgpu.h b/libctru/include/3ds/services/gspgpu.h
index f342391..01c044e 100644
--- a/libctru/include/3ds/services/gspgpu.h
+++ b/libctru/include/3ds/services/gspgpu.h
@@ -220,6 +220,6 @@ Result GSPGPU_TriggerCmdReqQueue(void);
 
 /**
  * @brief Sets 3D_LEDSTATE to the input state value.
- * @param state 0 = 3D LED enable, 1 = 3D LED disable.
+ * @param state False = 3D LED enable, true = 3D LED disable.
  */
-Result GSPGPU_SetLedForceOff(u8 state);
\ No newline at end of file
+Result GSPGPU_SetLedForceOff(bool state);
\ No newline at end of file
diff --git a/libctru/include/3ds/services/gsplcd.h b/libctru/include/3ds/services/gsplcd.h
index 398247a..eb35017 100644
--- a/libctru/include/3ds/services/gsplcd.h
+++ b/libctru/include/3ds/services/gsplcd.h
@@ -39,9 +39,9 @@ Result GSPLCD_PowerOffBacklight(u32 screen);
 
 /**
  * @brief Sets 3D_LEDSTATE to the input state value.
- * @param state 0 = 3D LED enable, 1 = 3D LED disable.
+ * @param state False = 3D LED enable, true = 3D LED disable.
  */
-Result GSPLCD_SetLedForceOff(u8 state);
+Result GSPLCD_SetLedForceOff(bool state);
 
 /**
  * @brief Gets the LCD screens' vendors. Stubbed on old 3ds.
diff --git a/libctru/source/services/gspgpu.c b/libctru/source/services/gspgpu.c
index 3730ec4..1b85e2b 100644
--- a/libctru/source/services/gspgpu.c
+++ b/libctru/source/services/gspgpu.c
@@ -430,7 +430,7 @@ Result GSPGPU_RestoreVramSysArea(void)
 	return cmdbuf[1];
 }
 
-Result GSPGPU_SetLedForceOff(u8 state)
+Result GSPGPU_SetLedForceOff(bool state)
 {
 	u32 *cmdbuf = getThreadCommandBuffer();
 
diff --git a/libctru/source/services/gsplcd.c b/libctru/source/services/gsplcd.c
index 7777da5..6b0851a 100644
--- a/libctru/source/services/gsplcd.c
+++ b/libctru/source/services/gsplcd.c
@@ -76,7 +76,7 @@ Result GSPLCD_PowerOffBacklight(u32 screen)
 	return cmdbuf[1];
 }
 
-Result GSPLCD_SetLedForceOff(u8 state)
+Result GSPLCD_SetLedForceOff(bool state)
 {
 	u32 *cmdbuf = getThreadCommandBuffer();