diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cbca69e..a34b108 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -811,7 +811,7 @@
 	  graphics console won't work without VGA options ROMs. Set it to N
 	  if your kernel is only on a serial console.
 
-config STACK_SIZE
+config STACK_SIZE_RESUME
 	hex
 	depends on HAVE_ACPI_RESUME
 	default 0x1000
diff --git a/arch/x86/lib/fsp/fsp_dram.c b/arch/x86/lib/fsp/fsp_dram.c
index 01d498c..faa819f 100644
--- a/arch/x86/lib/fsp/fsp_dram.c
+++ b/arch/x86/lib/fsp/fsp_dram.c
@@ -121,7 +121,7 @@
 		ulong stack_size;
 
 		stack_size = CONFIG_IS_ENABLED(HAVE_ACPI_RESUME,
-					       (CONFIG_STACK_SIZE), (0));
+					       (CONFIG_STACK_SIZE_RESUME), (0));
 		/*
 		 * Everything between U-Boot's stack and ram top needs to be
 		 * reserved in order for ACPI S3 resume to work.