Index: uspace/lib/c/include/adt/hash_table.h
===================================================================
--- uspace/lib/c/include/adt/hash_table.h	(revision 695111767fafc5271a762ff1be8ac2bd6229f2d7)
+++ uspace/lib/c/include/adt/hash_table.h	(revision 0366d09d1929d3cd61f8f612f9ea15794bc5650c)
@@ -73,5 +73,5 @@
 /** Hash table structure. */
 typedef struct {
-	hash_table_ops_t *op;
+	const hash_table_ops_t *op;
 	list_t *bucket;
 	size_t bucket_cnt;
@@ -86,5 +86,5 @@
 
 extern bool hash_table_create(hash_table_t *, size_t, size_t,
-    hash_table_ops_t *);
+    const hash_table_ops_t *);
 extern void hash_table_destroy(hash_table_t *);