diff --git a/Unicode/gen-ent b/Unicode/gen-ent
index 1fdf1ffe3..e1f2d3182 100755
--- a/Unicode/gen-ent
+++ b/Unicode/gen-ent
@@ -16,7 +16,7 @@ N=`cat tmp | wc -l`
 cat > ../src/intl/entity.inc <<EOF
 /* Automatically generated by gen-ent */
 
-struct entity { char *s; unicode_val_T c; } entities [$(expr $N + 1)] = {
+static const struct entity { char *s; unicode_val_T c; } entities [$(expr $N + 1)] = {
 $(cat tmp)
 	{ NULL, 0 }
 };
diff --git a/src/intl/entity.inc b/src/intl/entity.inc
index c17a2a727..f19b047c1 100644
--- a/src/intl/entity.inc
+++ b/src/intl/entity.inc
@@ -1,6 +1,6 @@
 /* Automatically generated by gen-ent */
 
-struct entity { char *s; unicode_val_T c; } entities [1002] = {
+static const struct entity { char *s; unicode_val_T c; } entities [1002] = {
 	{ "AElig",     0x00C6 }, /* LATIN CAPITAL LETTER AE                        */
 	{ "Aacgr",     0x0386 }, /* GREEK CAPITAL LETTER ALPHA WITH TONOS          */
 	{ "Aacute",    0x00C1 }, /* LATIN CAPITAL LETTER A WITH ACUTE              */