diff --git a/Makefile b/Makefile
index 5e2c57f..c410552 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 CC = gcc
 CFLAGS = -g -O0 -Wall -Wextra
 CFLAGS += -std=c99 -D_POSIX_C_SOURCE=200112L
+CFLAGS += -Iinclude/
 
 TOOLS = fexc bin2fex fex2bin bootinfo fel pio
 TOOLS += nand-part