--- libgcal.pc.in~	2009-08-26 18:11:46.000000000 +0400
+++ libgcal.pc.in	2010-03-13 20:29:23.290425956 +0300
@@ -1,7 +1,7 @@
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
-includedir=@includedir@
+includedir=@includedir@/libgcal
 
 Name: libgcal
 Description: Implements google data protocol for calendar and contacts