diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index ee2ad8ae07af7d4006d82a474cb2282654cb986a..c3b5c796d81925b1740d352f002dca0dfadafd2f 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -187,7 +187,7 @@ struct tagtable {
 
 #define __tag __used __attribute__((__section__(".taglist.init")))
 #define __tagtable(tag, fn) \
-static struct tagtable __tagtable_##fn __tag = { tag, fn }
+static const struct tagtable __tagtable_##fn __tag = { tag, fn }
 
 /*
  * Memory map description