diff --git a/BaS_gcc/sources/pci.c b/BaS_gcc/sources/pci.c
index cf4ac38..4f8bc6c 100644
--- a/BaS_gcc/sources/pci.c
+++ b/BaS_gcc/sources/pci.c
@@ -789,10 +789,10 @@ void init_pci(void)
 	xprintf("initializing PCI bridge:\r\n");
 
 	(void) res; /* for now */
-	res = register_interrupt_handler(0, INT_SOURCE_PCIARB, 5, 5, pci_arb_interrupt);
+	res = register_interrupt_handler(5, INT_SOURCE_PCIARB, 5, 1, pci_arb_interrupt);
 	debug_printf("registered interrupt handler for PCI arbiter: %s\r\n",
 			(res < 0 ? "failed" : "succeeded"));
-	register_interrupt_handler(0, INT_SOURCE_XLBPCI, 5, 5, xlb_pci_interrupt);
+	register_interrupt_handler(5, INT_SOURCE_XLBPCI, 5, 0, xlb_pci_interrupt);
 	debug_printf("registered interrupt handler for XLB PCI: %s\r\n",
 			(res < 0 ? "failed" : "succeeded"));