diff --git a/include/arm11/hardware/interrupt.h b/include/arm11/hardware/interrupt.h
index 99f5863..79b934d 100644
--- a/include/arm11/hardware/interrupt.h
+++ b/include/arm11/hardware/interrupt.h
@@ -130,18 +130,18 @@ typedef enum
 	IRQ_GPIO_1_1      =  99u,
 	IRQ_GPIO_2_0      = 100u,
 	IRQ_GPIO_2_2      = 102u,
-	IRQ_GPIO_4_0      = 104u,
-	IRQ_GPIO_4_1      = 105u,
-	IRQ_GPIO_4_2      = 106u,
-	IRQ_GPIO_4_3      = 107u,
-	IRQ_GPIO_4_4      = 108u,
-	IRQ_GPIO_4_5      = 109u,
-	IRQ_GPIO_4_6      = 110u,
-	IRQ_GPIO_4_7      = 111u,
-	IRQ_GPIO_4_8      = 112u,
-	IRQ_GPIO_4_9      = 113u,
-	IRQ_GPIO_4_10     = 114u,
-	IRQ_GPIO_4_11     = 115u,
+	IRQ_GPIO_3_0      = 104u,
+	IRQ_GPIO_3_1      = 105u,
+	IRQ_GPIO_3_2      = 106u,
+	IRQ_GPIO_3_3      = 107u,
+	IRQ_GPIO_3_4      = 108u,
+	IRQ_GPIO_3_5      = 109u,
+	IRQ_GPIO_3_6      = 110u,
+	IRQ_GPIO_3_7      = 111u,
+	IRQ_GPIO_3_8      = 112u,
+	IRQ_GPIO_3_9      = 113u,
+	IRQ_GPIO_3_10     = 114u,
+	IRQ_GPIO_3_11     = 115u,
 	IRQ_GAMECARD_OFF  = 116u, // Gamecard poweroff.
 	IRQ_GAMECARD_INS  = 117u, // Gamecard inserted.
 	IRQ_L2C           = 118u, // New3DS-only L2C-310 Level 2 Cache Controller.
@@ -153,10 +153,10 @@ typedef enum
 
 	// Aliases
 	IRQ_SHELL_OPENED  = IRQ_GPIO_1_2_HIGH,
-	IRQ_SHELL_CLOSED  = IRQ_GPIO_1_2_LOW,  // Triggers on GPIO_1_2 low?
+	IRQ_SHELL_CLOSED  = IRQ_GPIO_1_2_LOW,  // Triggers on GPIO_1_2 low.
 	IRQ_TOUCHSCREEN   = IRQ_GPIO_1_1,      // Triggers on touchscreen pen down.
 	IRQ_HEADPH_JACK   = IRQ_GPIO_2_0,      // Headphone jack. Triggers on both plugging in and out?
-	IRQ_CTR_MCU       = IRQ_GPIO_4_9       // Various MCU events trigger this. See MCU interrupt mask.
+	IRQ_CTR_MCU       = IRQ_GPIO_3_9       // Various MCU events trigger this. See MCU interrupt mask.
 } Interrupt;