diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a29fef..08ed974 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -225,6 +225,9 @@ ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
 	# Don't define _XOPEN_SOURCE on FreeBSD, it actually reduces visibility instead of increasing it
 ELSEIF (WIN32)
 	LIST (APPEND SYSFLAGS -DWIN32_LEAN_AND_MEAN -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -D_WIN32_WINNT=0x0600)
+	IF (CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
+		LIST (APPEND SYSFLAGS -DWINRT)
+	ENDIF ()
 ENDIF ()
 ADD_DEFINITIONS(${SYSFLAGS})
 
diff --git a/src/lib/ares__addrinfo_localhost.c b/src/lib/ares__addrinfo_localhost.c
index 7940ecd..aacfa52 100644
--- a/src/lib/ares__addrinfo_localhost.c
+++ b/src/lib/ares__addrinfo_localhost.c
@@ -131,7 +131,7 @@ static int ares__system_loopback_addrs(int aftype,
                                        unsigned short port,
                                        struct ares_addrinfo_node **nodes)
 {
-#if defined(_WIN32) && defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0600
+#if defined(_WIN32) && defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0600 && !defined(WINRT)
   PMIB_UNICASTIPADDRESS_TABLE table;
   unsigned int i;
   int status;
diff --git a/src/lib/ares_getaddrinfo.c b/src/lib/ares_getaddrinfo.c
index bc9f19b..1bb0e15 100644
--- a/src/lib/ares_getaddrinfo.c
+++ b/src/lib/ares_getaddrinfo.c
@@ -467,8 +467,10 @@ static int file_lookup(struct host_query *hquery)
               RegCloseKey(hkeyHosts);
             }
         }
+#ifndef WINRT
       else if (platform == WIN_9X)
         GetWindowsDirectoryA(PATH_HOSTS, MAX_PATH);
+#endif
       else
         return ARES_ENOTFOUND;
 
diff --git a/src/lib/ares_gethostbyaddr.c b/src/lib/ares_gethostbyaddr.c
index c62d230..6d47328 100644
--- a/src/lib/ares_gethostbyaddr.c
+++ b/src/lib/ares_gethostbyaddr.c
@@ -194,8 +194,10 @@ static int file_lookup(struct ares_addr *addr, struct hostent **host)
       RegCloseKey(hkeyHosts);
     }
   }
+#ifndef WINRT
   else if (platform == WIN_9X)
     GetWindowsDirectoryA(PATH_HOSTS, MAX_PATH);
+#endif
   else
     return ARES_ENOTFOUND;
 
diff --git a/src/lib/ares_gethostbyname.c b/src/lib/ares_gethostbyname.c
index 8c71cc6..3954244 100644
--- a/src/lib/ares_gethostbyname.c
+++ b/src/lib/ares_gethostbyname.c
@@ -278,8 +278,10 @@ static int file_lookup(const char *name, int family, struct hostent **host)
       RegCloseKey(hkeyHosts);
     }
   }
+#ifndef WINRT
   else if (platform == WIN_9X)
     GetWindowsDirectoryA(PATH_HOSTS, MAX_PATH);
+#endif
   else
     return ARES_ENOTFOUND;
 
diff --git a/src/lib/ares_init.c b/src/lib/ares_init.c
index 3f9cec6..63143e0 100644
--- a/src/lib/ares_init.c
+++ b/src/lib/ares_init.c
@@ -745,6 +745,9 @@ static ULONG getBestRouteMetric(IF_LUID * const luid, /* Can't be const :( */
                                 const SOCKADDR_INET * const dest,
                                 const ULONG interfaceMetric)
 {
+#ifdef WINRT
+  return (ULONG)-1;
+#else
   /* On this interface, get the best route to that destination. */
   MIB_IPFORWARD_ROW2 row;
   SOCKADDR_INET ignored;
@@ -778,6 +781,7 @@ static ULONG getBestRouteMetric(IF_LUID * const luid, /* Can't be const :( */
    * which describes the combination as a "sum".
    */
   return row.Metric + interfaceMetric;
+#endif
 }
 
 /*