diff --git a/vl.c b/vl.c
index 5d1d0f9..4667bd2 100644
--- a/vl.c
+++ b/vl.c
@@ -2283,7 +2283,7 @@
 #ifdef CONFIG_VNC
     int show_vnc_port = 0;
 #endif
-    int defconfig = 1;
+    bool defconfig = true;
     const char *log_mask = NULL;
     const char *log_file = NULL;
     GMemVTable mem_trace = {
@@ -2350,7 +2350,7 @@
             popt = lookup_opt(argc, argv, &optarg, &optind);
             switch (popt->index) {
             case QEMU_OPTION_nodefconfig:
-                defconfig=0;
+                defconfig = false;
                 break;
             }
         }