diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index ae8951625f..37501f575c 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -178,7 +178,7 @@
 #endif /* CONFIG_USBFS */
 
   IOCTL(SIOCATMARK, IOC_R, MK_PTR(TYPE_INT))
-  IOCTL(SIOCGIFNAME, IOC_RW, MK_PTR(TYPE_INT))
+  IOCTL(SIOCGIFNAME, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_int_ifreq)))
   IOCTL(SIOCGIFFLAGS, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_short_ifreq)))
   IOCTL(SIOCSIFFLAGS, IOC_W, MK_PTR(MK_STRUCT(STRUCT_short_ifreq)))
   IOCTL(SIOCGIFADDR, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq)))