diff -r 07b815faa6ac -r f00d03835dd9 src/server/test/testutils.c
--- a/src/server/test/testutils.c	Tue Dec 30 21:44:49 2025 +0100
+++ b/src/server/test/testutils.c	Tue Jan 13 18:09:20 2026 +0100
@@ -177,7 +177,7 @@
     }
     stream->buf = malloc(sizeof(CxBuffer));
     stream->max_write = INT_MAX;
-    cxBufferInit(stream->buf, NULL, size, cxDefaultAllocator, flags);
+    cxBufferInit(stream->buf, cxDefaultAllocator, NULL, size, flags);
     
     stream->io.st.write = test_io_write;
     stream->io.st.writev = test_io_writev;