diff -r 6a842bd49fea -r 5ab3fe0b7859 src/json.c
--- a/src/json.c	Mon Dec 22 16:12:20 2025 +0100
+++ b/src/json.c	Mon Dec 22 16:21:04 2025 +0100
@@ -1442,7 +1442,7 @@
         return (cxmutstr){NULL, 0};
         // LCOV_EXCL_STOP
     } else {
-        cxmutstr str = cx_mutstrn(buffer.space, buffer.size);
+        cxmutstr str = cx_bstr_m(&buffer);
         cxBufferDestroy(&buffer);
         return str;
     }