diff --git a/src/hashmap.c b/src/hashmap.c
index cffb962..a405dad 100644
--- a/src/hashmap.c
+++ b/src/hashmap.c
@@ -60,7 +60,7 @@ struct hashmap *hashmap__new(hashmap_hash_fn hash_fn,
 void hashmap__clear(struct hashmap *map)
 {
 	struct hashmap_entry *cur, *tmp;
-	int bkt;
+	size_t bkt;
 
 	hashmap__for_each_entry_safe(map, cur, tmp, bkt) {
 		free(cur);
@@ -100,8 +100,7 @@ static int hashmap_grow(struct hashmap *map)
 	struct hashmap_entry **new_buckets;
 	struct hashmap_entry *cur, *tmp;
 	size_t new_cap_bits, new_cap;
-	size_t h;
-	int bkt;
+	size_t h, bkt;
 
 	new_cap_bits = map->cap_bits + 1;
 	if (new_cap_bits < HASHMAP_MIN_CAP_BITS)