diff --git a/plat/imx/imx7/common/imx7.mk b/plat/imx/imx7/common/imx7.mk
index f4f5bfc..156c55d 100644
--- a/plat/imx/imx7/common/imx7.mk
+++ b/plat/imx/imx7/common/imx7.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2018-2023, Arm Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -110,3 +110,7 @@
 ifeq (${ARCH},aarch64)
   $(error Error: AArch64 not supported on i.mx7)
 endif
+
+ifeq (${AARCH32_SP}, none)
+    $(error Variable AARCH32_SP has to be set for AArch32)
+endif