diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index fdb9d70..1cffe70 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -557,6 +557,7 @@
 	.port_ops		= &sgiioc4_port_ops,
 	.dma_ops		= &sgiioc4_dma_ops,
 	.host_flags		= IDE_HFLAG_MMIO,
+	.irq_flags		= IRQF_SHARED,
 	.mwdma_mask		= ATA_MWDMA2_ONLY,
 };