--- a/libmodplug.pc.in	2014-06-13 00:11:17.505400000 +0400
+++ b/libmodplug.pc.in	2013-08-23 03:55:58.000000000 +0400
@@ -1,7 +1,7 @@
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
-includedir=${prefix}/include
+includedir=${prefix}/include/libmodplug
 
 Name: libmodplug
 Description: The ModPlug mod file playing library.