diff --git a/src/wayland-client-uninstalled.pc.in b/src/wayland-client-uninstalled.pc.in
index 3086621d..732736e9 100644
--- a/src/wayland-client-uninstalled.pc.in
+++ b/src/wayland-client-uninstalled.pc.in
@@ -1,8 +1,9 @@
 libdir=@abs_builddir@/.libs
 includedir=@abs_srcdir@
+protocoldir=@abs_top_builddir@/protocol
  
 Name: Wayland Client
 Description: Wayland client side library (not installed)
 Version: @PACKAGE_VERSION@
-Cflags: -I${includedir}
+Cflags: -I${includedir} -I${protocoldir}
 Libs: -L${libdir} -lwayland-client
diff --git a/src/wayland-server-uninstalled.pc.in b/src/wayland-server-uninstalled.pc.in
index 90577828..562686c3 100644
--- a/src/wayland-server-uninstalled.pc.in
+++ b/src/wayland-server-uninstalled.pc.in
@@ -1,8 +1,9 @@
 libdir=@abs_builddir@/.libs
 includedir=@abs_srcdir@
+protocoldir=@abs_top_builddir@/protocol
  
 Name: Wayland Server
 Description: Server side implementation of the Wayland protocol (not installed)
 Version: @PACKAGE_VERSION@
-Cflags: -I${includedir}
+Cflags: -I${includedir} -I${protocoldir}
 Libs: -L${libdir} -lwayland-server