diff -r ca4c6f590a08 -r 4c3a69b9723a src/properties.c
--- a/src/properties.c	Mon Feb 10 21:30:51 2025 +0100
+++ b/src/properties.c	Mon Feb 10 20:59:02 2025 +0100
@@ -252,7 +252,7 @@
 CxPropertiesSink cxPropertiesMapSink(CxMap *map) {
     CxPropertiesSink sink;
     sink.sink = map;
-    sink.data = cxDefaultAllocator;
+    sink.data = (void*) cxDefaultAllocator;
     sink.sink_func = cx_properties_sink_map;
     return sink;
 }