diff --git a/pic.c b/pic.c
index 18f0503..1142ebf 100644
--- a/pic.c
+++ b/pic.c
@@ -46,10 +46,10 @@ void enableIrq(int irq)
 {
 	if (irq < 8) {
 		uint8_t status = inb(PIC_MASTER_DATA);
-		outb((status | (1 << irq)), PIC_MASTER_DATA);
+		outb(PIC_MASTER_DATA, (status | (1 << irq)));
 	} else {
 		uint8_t status = inb(PIC_SLAVE_DATA);
-		outb((status | (1 << irq)), PIC_SLAVE_DATA);
+		outb(PIC_SLAVE_DATA, (status | (1 << irq)));
 	}
 }
 
@@ -57,9 +57,9 @@ void disableIrq(int irq)
 {
 	if (irq < 8) {
 		uint8_t status = inb(PIC_MASTER_DATA);
-		outb((status & ~(1 << irq)), PIC_MASTER_DATA);
+		outb(PIC_MASTER_DATA, (status & ~(1 << irq)));
 	} else {
 		uint8_t status = inb(PIC_SLAVE_DATA);
-		outb((status & ~(1 << irq)), PIC_SLAVE_DATA);
+		outb(PIC_SLAVE_DATA, (status & ~(1 << irq)));
 	}
 }