diff --git a/src/project.conf b/src/project.conf
index 21d9804..4beb3e2 100644
--- a/src/project.conf
+++ b/src/project.conf
@@ -1,8 +1,8 @@
 targets=libGToolkit
-cflags_force=-W
+cflags_force=-W -I ../include
 cflags=-Wall -fPIC -g -O2 -ansi
 
 
 [libGToolkit]
 type=library
-sources=gtoolkit.c
+sources=common.c,gwindow.c,gtoolkit.c