--- a/libiso9660.pc.in
+++ b/libiso9660.pc.in
@@ -8,5 +8,5 @@
 Description: ISO-9660 library of libcdio
 Version: @PACKAGE_VERSION@
 Requires: libcdio 
-Libs: -L${libdir} -liso9660 @LIBICONV@
+Libs: -L${libdir} -liso9660 @LIBICONV@ -lcdio
 Cflags: -I${includedir}