diff --git a/usr.sbin/sysinstall/Makefile b/usr.sbin/sysinstall/Makefile
index eb0abec489a3..152b524c53e3 100644
--- a/usr.sbin/sysinstall/Makefile
+++ b/usr.sbin/sysinstall/Makefile
@@ -14,7 +14,7 @@ SRCS=	anonFTP.c cdrom.c command.c config.c devices.c dhcp.c \
 	system.c tcpip.c termcap.c ttys.c ufs.c usb.c user.c \
 	variable.c ${_wizard} keymap.h countries.h
 
-CFLAGS+= -DUSE_GZIP=1 -fno-strict-aliasing
+CFLAGS+= -DUSE_GZIP=1 
 .if ${MACHINE} == "pc98"
 CFLAGS+= -DPC98
 .endif
diff --git a/usr.sbin/sysinstall/index.c b/usr.sbin/sysinstall/index.c
index f25a22323e81..c591cfef61f9 100644
--- a/usr.sbin/sysinstall/index.c
+++ b/usr.sbin/sysinstall/index.c
@@ -650,8 +650,8 @@ index_menu(PkgNodePtr root, PkgNodePtr top, PkgNodePtr plist, int *pos, int *scr
 		SAFE_STRCPY(buf, kp->desc);
 	    if (strlen(buf) > (_MAX_DESC - maxname))
 		buf[_MAX_DESC - maxname] = '\0';
-	    nitems = item_add(nitems, kp->name, (char *)buf, pkg_checked, 
-			      pkg_fire, pkg_selected, kp, (int *)(&lists), 
+	    nitems = item_add(nitems, kp->name, buf, pkg_checked, 
+			      pkg_fire, pkg_selected, kp, &lists, 
 			      &curr, &max);
 	    ++n;
 	    kp = kp->next;
diff --git a/usr.sbin/sysinstall/misc.c b/usr.sbin/sysinstall/misc.c
index c978b76ea287..ed4fa2d9c7b9 100644
--- a/usr.sbin/sysinstall/misc.c
+++ b/usr.sbin/sysinstall/misc.c
@@ -238,7 +238,7 @@ item_add(dialogMenuItem *list, char *prompt, char *title,
 	 int (*checked)(dialogMenuItem *self),
 	 int (*fire)(dialogMenuItem *self),
 	 void (*selected)(dialogMenuItem *self, int is_selected),
-	 void *data, int *aux, int *curr, int *max)
+	 void *data, void *aux, int *curr, int *max)
 {
     dialogMenuItem *d;
 
diff --git a/usr.sbin/sysinstall/sysinstall.h b/usr.sbin/sysinstall/sysinstall.h
index ba364c787c3f..d3cb10928d8f 100644
--- a/usr.sbin/sysinstall/sysinstall.h
+++ b/usr.sbin/sysinstall/sysinstall.h
@@ -755,7 +755,7 @@ extern dialogMenuItem *item_add(dialogMenuItem *list, char *prompt, char *title,
 				int (*checked)(dialogMenuItem *self),
 				int (*fire)(dialogMenuItem *self),
 				void (*selected)(dialogMenuItem *self, int is_selected),
-				void *data, int *aux, int *curr, int *max);
+				void *data, void *aux, int *curr, int *max);
 extern void	items_free(dialogMenuItem *list, int *curr, int *max);
 extern int	Mkdir(char *);
 extern int	Mkdir_command(char *key, void *data);