--- a/libidn.pc.in
+++ b/libidn.pc.in
@@ -20,4 +20,5 @@
 URL: http://www.gnu.org/software/libidn/
 Version: @VERSION@
 Libs: -L${libdir} -lidn
+Libs.private: @LTLIBICONV@
 Cflags: -I${includedir}