diff --git a/blinky/project.json b/blinky/project.json
index d23873f..cd20793 100644
--- a/blinky/project.json
+++ b/blinky/project.json
@@ -39,11 +39,13 @@
       "type": "executable",
       "triple": "avr-atmel-none",
       "cpu": "atmega328p",
-      "sources": ["src/*.c3"],
       "linker-flags": [
         "-L/home/coder/bin/avr-toolchain/lib",
         "-Tdata=0x800100",
         "-mmcu=atmega328p"
+      ],
+      "c-include-dirs": [
+        "/home/coder/bin/avr-toolchain/include"
       ]
     }
   },