diff --git a/aegisub/libass/Makefile.am b/aegisub/libass/Makefile.am
index 92a1e194b..228ba957d 100644
--- a/aegisub/libass/Makefile.am
+++ b/aegisub/libass/Makefile.am
@@ -1,6 +1,6 @@
 noinst_LIBRARIES = libass_aegisub.a
 
-AM_CPPFLAGS = -I../src @FREETYPE_CFLAGS@ -DCONFIG_ICONV -DCONFIG_FONTCONFIG @FONTCONFIG_CFLAGS@ @ICONV_CFLAGS@
+AM_CPPFLAGS = @FREETYPE_CFLAGS@ -DCONFIG_ICONV -DCONFIG_FONTCONFIG @FONTCONFIG_CFLAGS@ @ICONV_CFLAGS@
 
 if BUILD_DARWIN
 AM_CPPFLAGS += -DBUILD_DARWIN
diff --git a/aegisub/libass/config.h b/aegisub/libass/config.h
new file mode 100644
index 000000000..e69de29bb