--- libcanberra-gtk.pc.in.orig	2022-05-19 16:04:44 UTC
+++ libcanberra-gtk.pc.in
@@ -1,7 +1,7 @@ libdir=@libdir@
 prefix=@prefix@
 exec_prefix=${prefix}
 libdir=@libdir@
-includedir=@includedir@
+includedir=@includedir@/canberra-gtk2
 
 Name: libcanberra-gtk
 Description: Gtk Event Sound API
