diff --git a/qemu-sockets.c b/qemu-sockets.c
index d912fed16b..23c3def2a4 100644
--- a/qemu-sockets.c
+++ b/qemu-sockets.c
@@ -424,7 +424,7 @@ static int inet_parse(QemuOpts *opts, const char *str)
                     __FUNCTION__, str);
             return -1;
         }
-        qemu_opt_set(opts, "ipv6", "yes");
+        qemu_opt_set(opts, "ipv6", "on");
     } else if (qemu_isdigit(str[0])) {
         /* IPv4 addr */
         if (2 != sscanf(str,"%64[0-9.]:%32[^,]%n",addr,port,&pos)) {
@@ -432,7 +432,7 @@ static int inet_parse(QemuOpts *opts, const char *str)
                     __FUNCTION__, str);
             return -1;
         }
-        qemu_opt_set(opts, "ipv4", "yes");
+        qemu_opt_set(opts, "ipv4", "on");
     } else {
         /* hostname */
         if (2 != sscanf(str,"%64[^:]:%32[^,]%n",addr,port,&pos)) {
@@ -450,9 +450,9 @@ static int inet_parse(QemuOpts *opts, const char *str)
     if (h)
         qemu_opt_set(opts, "to", h+4);
     if (strstr(optstr, ",ipv4"))
-        qemu_opt_set(opts, "ipv4", "yes");
+        qemu_opt_set(opts, "ipv4", "on");
     if (strstr(optstr, ",ipv6"))
-        qemu_opt_set(opts, "ipv6", "yes");
+        qemu_opt_set(opts, "ipv6", "on");
     return 0;
 }