struct child_process child_process;
struct filter_params *params = (struct filter_params *)data;
int write_err, status;
- const char *argv[] = { params->cmd, NULL };
+ const char *argv[] = { NULL, NULL };
+
+ argv[0] = params->cmd;
memset(&child_process, 0, sizeof(child_process));
child_process.argv = argv;