diff --git a/configure.ac b/configure.ac
index 03d3007..a696b0d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,6 +16,8 @@ AC_PROG_MAKE_SET
 AC_PROG_INSTALL
 AC_PROG_LN_S
 
+AC_SEARCH_LIBS(iconv, iconv)
+
 PKG_CHECK_MODULES(LIBUSB1,libusb-1.0)
 
 AC_CONFIG_FILES([Makefile])