diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 7ae4027a919225c62bf320613a78e869f4826c49..7d0e67c1ce5099102dce96928a2b3ae3b119ef57 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -349,7 +349,7 @@ void __init setup_arch(char **cmdline_p)
 	if (!root_flags)
 		root_mountflags &= ~MS_RDONLY;
 	ROOT_DEV = old_decode_dev(root_dev);
-#ifdef CONFIG_BLK_DEV_INITRD
+#ifdef CONFIG_BLK_DEV_RAM
 	rd_image_start = ram_flags & RAMDISK_IMAGE_START_MASK;
 	rd_prompt = ((ram_flags & RAMDISK_PROMPT_FLAG) != 0);
 	rd_doload = ((ram_flags & RAMDISK_LOAD_FLAG) != 0);