--- a/src/truetype/ttobjs.c 2016-12-17 13:56:15.000000000 -0800 +++ b/src/truetype/ttobjs.c 2017-04-28 10:32:45.672001009 -0700 @@ -1194,10 +1194,14 @@ FT_Size_Metrics* metrics; - size->ttmetrics.valid = FALSE; - face = (TT_Face)size->root.face; + /* nothing to do for CFF2 */ + if ( face->isCFF2 ) + return FT_Err_Ok; + + size->ttmetrics.valid = FALSE; + metrics = &size->metrics; /* copy the result from base layer */