diff -r 8ccfbc00f690 -r 7f1cadc3ebc1 src/json.c
--- a/src/json.c	Sat Dec 13 13:55:27 2025 +0100
+++ b/src/json.c	Sat Dec 13 15:16:25 2025 +0100
@@ -452,6 +452,8 @@
     return ret;
 }
 
+#include "cx/hash_map.h"
+
 static CxJsonObject json_create_object_map(const CxAllocator *allocator) {
     CxMap *map = cxKvListCreateAsMap(allocator, NULL, CX_STORE_POINTERS);
     if (map == NULL) return NULL; // LCOV_EXCL_LINE