diff --git a/lang/scm/Makefile b/lang/scm/Makefile
index 3a0555a4054aa..dde18ae9882f6 100644
--- a/lang/scm/Makefile
+++ b/lang/scm/Makefile
@@ -26,6 +26,7 @@ MAKE_JOBS_UNSAFE=	yes
 CFLAGS:=	${CFLAGS:N-O*} -O0
 CFLAGS+=	-Wall -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wcast-qual
 CFLAGS+=	-Wno-unused-label -Wno-uninitialized
+CFLAGS_i386=	-O
 
 SUB_FILES=	require.scm