diff --git a/configure b/configure
index 60719ddcc5..a2607afb34 100755
--- a/configure
+++ b/configure
@@ -2940,9 +2940,9 @@ if test "$auth_pam" != "no"; then
 int main(void) {
    const char *service_name = "qemu";
    const char *user = "frank";
-   const struct pam_conv *pam_conv = NULL;
+   const struct pam_conv pam_conv = { 0 };
    pam_handle_t *pamh = NULL;
-   pam_start(service_name, user, pam_conv, &pamh);
+   pam_start(service_name, user, &pam_conv, &pamh);
    return 0;
 }
 EOF