diff --git a/runtime/jdwp/jdwp_socket.cc b/runtime/jdwp/jdwp_socket.cc
index e8c0856..7119ce5 100644
--- a/runtime/jdwp/jdwp_socket.cc
+++ b/runtime/jdwp/jdwp_socket.cc
@@ -272,7 +272,7 @@
   /*
    * Start by resolving the host name.
    */
-#ifdef HAVE_GETHOSTBYNAME_R
+#if defined(__linux__)
   hostent he;
   char auxBuf[128];
   int error;