diff --git a/configure.ac b/configure.ac
index 2b67bafd..4c0bc28c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,6 +53,7 @@ AC_SEARCH_LIBS([tparm], [termcap tinfo curses ncurses])
 # Checks for libtool
 AC_ENABLE_SHARED
 AC_ENABLE_STATIC
+AC_LANG([C++])
 LT_INIT([dlopen])
 LT_LANG([C++])
 LT_OUTPUT