diff --git a/source/arm9/interrupt.c b/source/arm9/interrupt.c
index 586ab44..a5a7dbd 100644
--- a/source/arm9/interrupt.c
+++ b/source/arm9/interrupt.c
@@ -9,7 +9,7 @@
 void IRQ_init(void)
 {
 	// Atomic IRQ disable and aknowledge
-	__asm__ __volatile__("stmia %0, {%1, %2}" : : "r" (&REG_IRQ_IE), "r" (0u), "r" (0xFFFFFFFFu) : "memory");
+	__asm__ __volatile__("stm %0, {%1, %2}" : : "r" (&REG_IRQ_IE), "r" (0u), "r" (0xFFFFFFFFu) : "memory");
 
 	for(u32 i = 0; i < 32; i++)
 	{
diff --git a/source/arm9/start.s b/source/arm9/start.s
index ac8d67e..e896877 100644
--- a/source/arm9/start.s
+++ b/source/arm9/start.s
@@ -332,5 +332,6 @@
 
 	mcr p15, 0, r2, c7, c5, 0   @ Invalidate I-Cache
 	mcr p15, 0, r2, c7, c6, 0   @ Invalidate D-Cache
+	mcr p15, 0, r2, c7, c10, 4  @ Drain write buffer
 	bx r3
 .pool