diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S
index 2f4c14e..8415f77 100644
--- a/arch/arm/lib/crt0.S
+++ b/arch/arm/lib/crt0.S
@@ -167,8 +167,12 @@
 	mov     r0, r9                  /* gd_t */
 	ldr	r1, [r9, #GD_RELOCADDR]	/* dest_addr */
 	/* call board_init_r */
+#if defined(CONFIG_SYS_THUMB_BUILD)
+	ldr	lr, =board_init_r	/* this is auto-relocated! */
+	bx	lr
+#else
 	ldr	pc, =board_init_r	/* this is auto-relocated! */
-
+#endif
 	/* we should not return here. */
 #endif