diff -r 714fbd1391a2 -r 265545607063 src/frontend.c
--- a/src/frontend.c	Sun Nov 30 22:16:31 2025 +0100
+++ b/src/frontend.c	Wed Dec 31 17:43:11 2025 +0100
@@ -148,7 +148,7 @@
         FILE *inputfile = fopen(settings.infilename, "r");
         if (inputfile) {
             CxBuffer fbuf;
-            cxBufferInit(&fbuf, NULL, 4096, NULL, CX_BUFFER_AUTO_EXTEND);
+            cxBufferInit(&fbuf, NULL, NULL, 4096, CX_BUFFER_AUTO_EXTEND);
             cx_stream_copy(inputfile, &fbuf, (cx_read_func) fread,
                            cxBufferWriteFunc);
             cxBufferPut(&fbuf, 0);