diff -r f4ef952ad98b -r e9a5dd08258d libidav/utils.c
--- a/libidav/utils.c	Wed Nov 02 11:39:23 2022 +0100
+++ b/libidav/utils.c	Wed Nov 02 11:45:56 2022 +0100
@@ -1123,7 +1123,7 @@
 int util_exec_command(char *command, UcxBuffer *outbuf) {
 #ifdef _WIN32
     fprintf(stderr, "util_exec_command unsupported\n");
-    return NULL;
+    return 1;
 #else
     
     int pout[2];