diff --git a/libui/Makefile b/libui/Makefile
index 15c63a5..f38c125 100644
--- a/libui/Makefile
+++ b/libui/Makefile
@@ -12,7 +12,7 @@ LIBRARY = libui.a
 
 SOURCES = window.c progressbar.c scrolllist.c
 
-HEADERS = 
+HEADERS = libui.h
 
 all: $(LIBRARY)