diff --git a/arch/powerpc/include/asm/spu.h b/arch/powerpc/include/asm/spu.h
index 8b2eb044270ad65b02f9a6bc145701df04c921ce..0ab8d869e3d61d83c8984c4492019e6d022e2e46 100644
--- a/arch/powerpc/include/asm/spu.h
+++ b/arch/powerpc/include/asm/spu.h
@@ -128,7 +128,7 @@ struct spu {
 	int number;
 	unsigned int irqs[3];
 	u32 node;
-	u64 flags;
+	unsigned long flags;
 	u64 class_0_pending;
 	u64 class_0_dar;
 	u64 class_1_dar;