diff --git a/toolchain.inc b/toolchain.inc
index 3e28bb9d0b..47e407f40c 100644
--- a/toolchain.inc
+++ b/toolchain.inc
@@ -72,7 +72,7 @@ CFLAGS_mips	+= -mno-abicalls -fno-pic
 CFLAGS_x86_32 += -ffunction-sections -fdata-sections
 CFLAGS_riscv	+= -ffunction-sections -fdata-sections
 
-CFLAGS_x86_64   += -mcmodel=large
+CFLAGS_x86_64   += -mcmodel=large -mno-red-zone
 
 toolchain_to_dir = \
 	$(foreach arch,$(ARCH_SUPPORTED),\