diff --git a/second/Makefile b/second/Makefile
index 49cb767..6ad2fec 100644
--- a/second/Makefile
+++ b/second/Makefile
@@ -8,9 +8,9 @@ TOP		= $(shell pwd)
 VPATH		= $(TOP)
 CPPFLAGS	= -DVERSION="\"$(VERSION)\"" -I$(TOP) -Wa,-I$(TOP) \
 		  $(OPT_CPPFLAGS)
-#TARGET_CFLAGS	= -m68000 -Wa,-m68000
-TARGET_CFLAGS	= -m68020 -Wa,-m68020
-CFLAGS		= $(OPT_CFLAGS) -nostdlib -nodefaultlibs -Wall -Werror -Wno-multichar -O -fpic $(TARGET_CFLAGS)
+TARGET_CFLAGS	= -m68000 -Wa,-m68000 -Os
+#TARGET_CFLAGS	= -m68020 -Wa,-m68020 -Os
+CFLAGS		= $(OPT_CFLAGS) -nostdlib -nodefaultlibs -Wall -Werror -Wno-multichar -fpic $(TARGET_CFLAGS)
 ASFLAGS		= 
 LS		= ls
 AWK		= awk