Index: uspace/lib/ext4/src/ops.c
===================================================================
--- uspace/lib/ext4/src/ops.c	(revision a76e76b19980b8f54d4991e1815154eecce5f12d)
+++ uspace/lib/ext4/src/ops.c	(revision 4c78104a6837166b8f7dd061ec8df30c45dd4c00)
@@ -122,5 +122,5 @@
 }
 
-static hash_table_ops_t open_nodes_ops = {
+static const hash_table_ops_t open_nodes_ops = {
 	.hash = open_nodes_hash,
 	.key_hash = open_nodes_key_hash,