diff --git a/src/soc/intel/common/block/fast_spi/Makefile.inc b/src/soc/intel/common/block/fast_spi/Makefile.inc
index cc65e1f23e..ddf15748ae 100644
--- a/src/soc/intel/common/block/fast_spi/Makefile.inc
+++ b/src/soc/intel/common/block/fast_spi/Makefile.inc
@@ -50,7 +50,7 @@ $(call add_intermediate, check-fmap-16mib-crossing, $(obj)/fmap_config.h)
 	if [ $$((flash_size)) -le $$((0x1000000)) ]; then		\
 	   exit;							\
 	fi;								\
-	bios_16M_boundary=$$((flash_size-0x1000000)); 			\
+	bios_16M_boundary=$$((flash_size-0x1000000));			\
 	for x in $$(grep "FMAP_TERMINAL_SECTIONS" < $< | cut -d\" -f2);	\
 	do								\
 	    start=$$(fmap_get "FMAP_SECTION_$${x}_START");		\