diff --git a/Quake/pr_edict.c b/Quake/pr_edict.c
index ca95ce6c6..3e2abc071 100644
--- a/Quake/pr_edict.c
+++ b/Quake/pr_edict.c
@@ -25,7 +25,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 extern edict_t **bbox_linked;
 
-int		type_size[8] = {
+extern const int type_size[8] = {
 	1,					// ev_void
 	1,	// sizeof(string_t) / 4		// ev_string
 	1,					// ev_float
diff --git a/Quake/progs.h b/Quake/progs.h
index c3b27134b..d8071c6f6 100644
--- a/Quake/progs.h
+++ b/Quake/progs.h
@@ -373,7 +373,7 @@ int SAVE_NUM_FOR_EDICT (savedata_t *save, edict_t *e);
 #define	E_VECTOR(e,o)		(&((float*)&e->v)[o])
 #define	E_STRING(e,o)		(PR_GetString(*(string_t *)&((float*)&e->v)[o]))
 
-extern	int		type_size[8];
+extern const int	type_size[8];
 
 typedef struct builtindef_s
 {