diff --git a/acinclude.m4 b/acinclude.m4
index e2ffb1d74..3637e3e6e 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -393,8 +393,10 @@ dnl the code was bad, try a different program now, test 3
 #endif
 ],[
 /* ioctlsocket source code */
- SOCKET socket;
- unsigned long flags = ioctlsocket(socket, FIONBIO, &flags);
+ SOCKET sd;
+ unsigned long flags = 0;
+ sd = socket(0, 0, 0);
+ ioctlsocket(sd, FIONBIO, &flags);
 ],[
 dnl ioctlsocket test was good
 nonblock="ioctlsocket"
diff --git a/ares/acinclude.m4 b/ares/acinclude.m4
index b09c935d1..5a7a460e8 100644
--- a/ares/acinclude.m4
+++ b/ares/acinclude.m4
@@ -372,8 +372,10 @@ dnl the code was bad, try a different program now, test 3
 #endif
 ],[
 /* ioctlsocket source code */
- SOCKET socket;
- unsigned long flags = ioctlsocket(socket, FIONBIO, &flags);
+ SOCKET sd;
+ unsigned long flags = 0;
+ sd = socket(0, 0, 0);
+ ioctlsocket(sd, FIONBIO, &flags);
 ],[
 dnl ioctlsocket test was good
 nonblock="ioctlsocket"