diff --git a/configure.in b/configure.in
index 3fd07404..440805f3 100644
--- a/configure.in
+++ b/configure.in
@@ -326,6 +326,7 @@ dnl **
 
 if test "x$want_socks" = "xyes"; then
 	AC_CHECK_LIB(socks, connect, [
+		AC_DEFINE(HAVE_SOCKS)
 		LIBS="$LIBS -lsocks"
 		AC_CHECK_HEADER(socks.h, [
 			AC_DEFINE(HAVE_SOCKS_H)