diff -r d2d42cb1d59e -r 192a440b99df src/properties.c
--- a/src/properties.c	Sun Oct 13 16:44:29 2024 +0200
+++ b/src/properties.c	Sun Oct 13 16:47:14 2024 +0200
@@ -131,7 +131,7 @@
         char *buf,
         size_t capacity
 ) {
-    assert(buf == NULL);
+    assert(prop->buf == NULL);
     prop->buf = buf;
     prop->buf_capacity = capacity;
     prop->buf_size = 0;