diff --git a/src/entities.h b/src/entities.h
@@ -15,7 +15,7 @@ struct cmark_entity_node {
#define CMARK_ENTITY_MIN_LENGTH 2
#define CMARK_ENTITY_MAX_LENGTH 31
-static struct cmark_entity_node cmark_entities[] = {
+static const struct cmark_entity_node cmark_entities[] = {
{132476, (unsigned char*)"\342\203\233", -1, -1}, /* ⃛ */
{5862221, (unsigned char*)"\342\205\205", 0, -1}, /* ⅅ */
{5862336, (unsigned char*)"\76", 1, 3}, /* > */
@@ -2143,7 +2143,7 @@ static struct cmark_entity_node cmark_entities[] = {
{4287033576, (unsigned char*)"\342\252\224", -1, -1}, /* ⪔ */
};
-static int cmark_entities_root = 1062;
+static const int cmark_entities_root = 1062;
#ifdef __cplusplus
}