diff --git a/lang/codegen/block.c b/lang/codegen/block.c
index 39a4904..2820c7f 100644
--- a/lang/codegen/block.c
+++ b/lang/codegen/block.c
@@ -13,7 +13,7 @@ static struct code_generator_result gen_expr(
 	struct ivy_codegen *gen, struct code_generator_state *state,
 	struct ivy_ast_node *node, size_t depth)
 {
-	struct unit_codegen_state *unit = (struct unit_codegen_state *)state;
+	struct block_codegen_state *block = (struct block_codegen_state *)state;
 	struct mie_builder *builder = gen->c_builder;
 	struct mie_func *current = mie_builder_get_current_func(builder);