diff -r 07b815faa6ac -r f00d03835dd9 src/server/test/io.c
--- a/src/server/test/io.c	Tue Dec 30 21:44:49 2025 +0100
+++ b/src/server/test/io.c	Tue Jan 13 18:09:20 2026 +0100
@@ -377,7 +377,7 @@
     CX_TEST_DO {
     
         // create test data
-        CxBuffer *testdata = cxBufferCreate(NULL, 1024*1024*4, cxDefaultAllocator, 0);
+        CxBuffer *testdata = cxBufferCreate(cxDefaultAllocator, NULL, 1024*1024*4, 0);
         for(size_t i=0;i<testdata->capacity;i++) {
             cxBufferPut(testdata, 35+(i%91));
         }
@@ -734,7 +734,7 @@
         //       limit TestIOStream to 1 to 3 byte writes
 
         // create test data
-        CxBuffer *testdata = cxBufferCreate(NULL, 1024*16, cxDefaultAllocator, 0);
+        CxBuffer *testdata = cxBufferCreate(cxDefaultAllocator, NULL, 1024*16, 0);
         for(size_t i=0;i<testdata->capacity;i++) {
             cxBufferPut(testdata, 35+(i%91));
         }