diff --git a/tools/imx9/Config.mk b/tools/imx9/Config.mk
index 844182558a02f..dd27de9732f68 100644
--- a/tools/imx9/Config.mk
+++ b/tools/imx9/Config.mk
@@ -45,6 +45,7 @@ ifeq ($(CONFIG_IMX9_BOOTLOADER),y)
 	FSPI_HEADER_PATH = $(BASE_PATH)$(FSPI_HEADER)
 	FCB_TOOL = fspi_fcb_gen.sh
 	FCB_TOOL_PATH = $(BASE_PATH)$(FCB_TOOL)
+	EXTRAFLAGS +=  -mstrict-align
 
 define DOWNLOAD_FILES
 	$(call DOWNLOAD,$(MK_BASE_URL),$(FILE_1),$(FILE_1_PATH))