diff --git a/legacy/elementary/configure.ac b/legacy/elementary/configure.ac
index d695d7a7af..8ccd34bc7e 100644
--- a/legacy/elementary/configure.ac
+++ b/legacy/elementary/configure.ac
@@ -90,6 +90,7 @@ dnl managed by evil
       have_socket="no"
       ;;
    *solaris*)
+      ELM_UNIX_DEF="#define"
       have_socket="yes"
       AC_CHECK_LIB([socket], [connect], [], [have_socket="no"])
       ;;