diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index b1e55849646..ece5adc0560 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -67,8 +67,10 @@ endif
 
 ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y)
 cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE)
+ifneq ($(call cc-option-yn,-mstack-size=8192),y)
 cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
 endif
+endif
 
 ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
 cflags-$(CONFIG_WARN_STACK) += -mwarn-dynamicstack