diff --git a/configure.ac b/configure.ac
index ce9ce28..f1c4826 100644
--- a/configure.ac
+++ b/configure.ac
@@ -50,6 +50,7 @@ AC_CHECK_HEADERS([iconv.h],check_iconv=true)
 if test "x$check_iconv" == x ; then
 	AC_MSG_ERROR([*** iconv.h not found.])
 fi
+AC_CHECK_LIB([iconv], libiconv_open)
 
 # check Doxygen
 DOXYGEN=""