diff --git a/chart2/Library_chartopengl.mk b/chart2/Library_chartopengl.mk
index 15260d48306e..5ca68bd4eff9 100644
--- a/chart2/Library_chartopengl.mk
+++ b/chart2/Library_chartopengl.mk
@@ -18,6 +18,7 @@ $(eval $(call gb_Library_set_include,chartopengl,\
 ))
 
 $(eval $(call gb_Library_use_externals,chartopengl,\
+	boost_headers \
 	mdds_headers \
 	glm_headers \
 	mesa_headers \