diff --git a/src/harfbuzz-ng.cc b/src/harfbuzz-ng.cc
index ac945788a..97014f994 100644
--- a/src/harfbuzz-ng.cc
+++ b/src/harfbuzz-ng.cc
@@ -697,6 +697,9 @@ struct GSUBGPOSHeader {
 struct GSUB : GSUBGPOSHeader {
 };
 
+struct GPOS : GSUBGPOSHeader {
+};
+
 
 #include <stdlib.h>
 #include <stdio.h>