diff --git a/common/image.c b/common/image.c
index 96c5f58..e9609cd 100644
--- a/common/image.c
+++ b/common/image.c
@@ -1186,7 +1186,8 @@ int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 			 * AMP boot scenarios in which we might not be
 			 * HW cache coherent
 			 */
-			flush_cache((unsigned long)*initrd_start, rd_len);
+			flush_cache((unsigned long)*initrd_start,
+				    ALIGN(rd_len, ARCH_DMA_MINALIGN));
 #endif
 			puts("OK\n");
 		}