diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index b9af293..0a23592 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -2,4 +2,4 @@
 # Build system
 # ==========================================================================
 
-CPPFLAGS += -march=i386
+CPPFLAGS += -march=i386 -mpreferred-stack-boundary=2