diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
index 3842709..b328f94 100644
--- a/arch/microblaze/lib/bootm.c
+++ b/arch/microblaze/lib/bootm.c
@@ -62,8 +62,8 @@
 
 	bootstage_mark(BOOTSTAGE_ID_RUN_OS);
 
-	if (!of_flat_tree && argc > 3)
-		of_flat_tree = (char *)simple_strtoul(argv[3], NULL, 16);
+	if (!of_flat_tree && argc > 1)
+		of_flat_tree = (char *)simple_strtoul(argv[1], NULL, 16);
 
 	/* fixup the initrd now that we know where it should be */
 	if (images->rd_start && images->rd_end && of_flat_tree)
diff --git a/arch/nios2/lib/bootm.c b/arch/nios2/lib/bootm.c
index f32be52..114e146 100644
--- a/arch/nios2/lib/bootm.c
+++ b/arch/nios2/lib/bootm.c
@@ -40,8 +40,8 @@
 	if (images->ft_len)
 		of_flat_tree = images->ft_addr;
 #endif
-	if (!of_flat_tree && argc > 3)
-		of_flat_tree = (char *)simple_strtoul(argv[3], NULL, 16);
+	if (!of_flat_tree && argc > 1)
+		of_flat_tree = (char *)simple_strtoul(argv[1], NULL, 16);
 	if (of_flat_tree)
 		initrd_end = (ulong)of_flat_tree;
 
diff --git a/arch/openrisc/lib/bootm.c b/arch/openrisc/lib/bootm.c
index 2c5d9ae..7f716b8 100644
--- a/arch/openrisc/lib/bootm.c
+++ b/arch/openrisc/lib/bootm.c
@@ -63,8 +63,8 @@
 
 	show_boot_progress(15);
 
-	if (!of_flat_tree && argc > 3)
-		of_flat_tree = (char *)simple_strtoul(argv[3], NULL, 16);
+	if (!of_flat_tree && argc > 1)
+		of_flat_tree = (char *)simple_strtoul(argv[1], NULL, 16);
 #ifdef DEBUG
 	printf("## Transferring control to Linux (at address 0x%08lx) " \
 				"ramdisk 0x%08lx, FDT 0x%08lx...\n",